Greek Orthodox Patriarch Of Constantinople
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The ecumenical patriarch ( el, Οἰκουμενικός Πατριάρχης, translit=Oikoumenikós Patriárchēs) is the archbishop of Constantinople ( Istanbul), New Rome and ''
primus inter pares ''Primus inter pares'' is a Latin phrase meaning first among equals. It is typically used as an honorary title for someone who is formally equal to other members of their group but is accorded unofficial respect, traditionally owing to their sen ...
'' (first among equals) among the heads of the several autocephalous churches which compose the Eastern Orthodox Church. The ecumenical patriarch is regarded as the representative and spiritual leader of many Orthodox Christians worldwide. The term ''ecumenical'' in the title is a historical reference to the Ecumene, a Greek designation for the civilised world, i.e. the Roman Empire, and it stems from Canon 28 of the Council of Chalcedon. The
Ecumenical Patriarchate of Constantinople The Ecumenical Patriarchate of Constantinople ( el, Οἰκουμενικὸν Πατριαρχεῖον Κωνσταντινουπόλεως, translit=Oikoumenikón Patriarkhíon Konstantinoupóleos, ; la, Patriarchatus Oecumenicus Constanti ...
is one of the most enduring institutions in the world and has had a prominent part in world history. The ecumenical patriarchs in ancient times helped in the spread of Christianity and the resolution of various doctrinal disputes. In the Middle Ages they played a major role in the affairs of the Eastern Orthodox Church, as well as in the politics of the Orthodox world, and in spreading Christianity among the
Slavs Slavs are the largest European ethnolinguistic group. They speak the various Slavic languages, belonging to the larger Balto-Slavic branch of the Indo-European languages. Slavs are geographically distributed throughout northern Eurasia, main ...
. Currently, in addition to the expansion of the Christian faith and the Eastern Orthodox doctrine, the patriarchs are involved in ecumenism and interfaith dialogue, charitable work, and the defense of Orthodox Christian traditions. Within the five apostolic
see See or SEE may refer to: * Sight - seeing Arts, entertainment, and media * Music: ** ''See'' (album), studio album by rock band The Rascals *** "See", song by The Rascals, on the album ''See'' ** "See" (Tycho song), song by Tycho * Television * ...
s of the Pentarchy, the ecumenical patriarch is regarded as the successor of
Andrew the Apostle Andrew the Apostle ( grc-koi, Ἀνδρέᾱς, Andréās ; la, Andrēās ; , syc, ܐܰܢܕ݁ܪܶܐܘܳܣ, ʾAnd’reʾwās), also called Saint Andrew, was an Apostles in the New Testament, apostle of Jesus according to the New Testament. He ...
. The current holder of the office is Bartholomew I, the 270th bishop of that see.


Status in the Orthodox Church

The ecumenical patriarch of Constantinople is first among equals, or first in honor among all Eastern Orthodox bishops, who presides in person—or through a delegate—over any council of Orthodox primates or bishops in which he takes part and serves as primary spokesman for the Orthodox communion especially in
ecumenical Ecumenism (), also spelled oecumenism, is the concept and principle that Christians who belong to different Christian denominations should work together to develop closer relationships among their churches and promote Christian unity. The adjec ...
contacts with other Christian denominations. He has no direct jurisdiction over the other patriarchs or the other autocephalous Orthodox churches, but he, alone among his fellow primates, enjoys the right of convening extraordinary
synod A synod () is a council of a Christian denomination, usually convened to decide an issue of doctrine, administration or application. The word ''wikt:synod, synod'' comes from the meaning "assembly" or "meeting" and is analogous with the Latin ...
s consisting of them or their delegates to deal with ''ad hoc'' situations and has also convened well-attended pan-Orthodox synods in the last 40 years. His unique role often sees the ecumenical patriarch referred to as the spiritual leader of the Orthodox Church in some sources, though this is not an official title of the patriarch nor is it usually used in scholarly sources on the patriarchate. The Orthodox Church is entirely decentralized: it has no central authority, earthly head, or single bishop in a leadership role. Because it has a synodical system canonically, it is significantly distinguished from the hierarchically organized Catholic Church, whose doctrine is
papal supremacy Papal supremacy is the doctrine of the Catholic Church that the Pope, by reason of his office as Vicar of Christ, the visible source and foundation of the unity both of the bishops and of the whole company of the faithful, and as pastor of the ...
and whose head is the pope. His titles ''primus inter pares''. 'first among equals', and "ecumenical patriarch" are of honor rather than authority, and in fact the ecumenical patriarch has no real authority over churches other than the Constantinopolitan. The ecumenical patriarch of Constantinople is the direct administrative superior of dioceses and archdioceses serving millions of Greek, Ukrainian,
Rusyn Rusyn may refer to: * Rusyns, Rusyn people, an East Slavic people ** Pannonian Rusyns, Pannonian Rusyn people, a branch of Rusyn people ** Lemkos, a branch of Rusyn (or Ukrainian) people ** Boykos, a branch of Rusyn (or Ukrainian) people * Rusyn l ...
and
Albanian Albanian may refer to: *Pertaining to Albania in Southeast Europe; in particular: **Albanians, an ethnic group native to the Balkans **Albanian language **Albanian culture **Demographics of Albania, includes other ethnic groups within the country ...
believers in North and South America, Western Europe, Australia and New Zealand, South Korea, as well as parts of modern Greece which, for historical reasons, do not fall under the jurisdiction of the
Church of Greece The Church of Greece ( el, Ἐκκλησία τῆς Ἑλλάδος, Ekklēsía tē̂s Helládos, ), part of the wider Greek Orthodox Church, is one of the autocephalous churches which make up the communion of Eastern Orthodox Christianity. Its ...
. His actual position is patriarch of the Orthodox Church of Constantinople, one of the fourteen autocephalous and several autonomous churches and the most senior (though not oldest) of the four orthodox ancient primatial sees among the five patriarchal Christian centers comprising the ancient Pentarchy of the undivided Church. In his role as head of the Orthodox Church of Constantinople, he is known as the "archbishop of Constantinople, New Rome". The Ecumenical Patriarchate is also sometimes called the Greek Patriarchate of Constantinople to distinguish him from the Armenian Patriarchate and the extinct Latin Patriarchate, which was created after the Latin capture of Constantinople in 1204, during the
Fourth Crusade The Fourth Crusade (1202–1204) was a Latin Christian armed expedition called by Pope Innocent III. The stated intent of the expedition was to recapture the Muslim-controlled city of Jerusalem, by first defeating the powerful Egyptian Ayyubid S ...
.


History

The see of Byzantium, whose foundation was later ascribed to Andrew the Apostle, was originally a common bishopric. It gained importance when Emperor Constantine elevated Byzantium to a second capital alongside Rome and named it Constantinople. The see's ecclesiastical status as the second of five patriarchates were developed by the Ecumenical Councils of Constantinople in 381 and Chalcedon in 451. The
Turkish government The Government of Turkey ( tr, Türkiye Cumhuriyeti Hükûmeti) is the national government of Turkey. It is governed as a unitary state under a presidential representative democracy and a constitutional republic within a pluriform multi-party ...
recognizes him as the spiritual leader of the Greek minority in Turkey, and refer to him as the Roman/Greek (literally '' Rûm'') Orthodox patriarch of Fener ( tr, Fener Rum Ortodoks Patriği). The patriarch was subject to the authority of the Ottoman Empire after the conquest of Constantinople in 1453, until the declaration of Turkish Republic in 1923. Today, according to Turkish law, he is subject to the authority of the state of Turkey and is required to be a citizen of Turkey to be patriarch. The patriarch of Constantinople has been dubbed the ecumenical patriarch since the sixth century."Oecumenical Patriarch." Cross, F. L., ed. The Oxford Dictionary of the Christian Church. New York: Oxford University Press. 2005. The exact significance of the style, which has been used occasionally for other prelates since the middle of the fifth century, is nowhere officially defined but, according to the Oxford Dictionary of the Christian Church, the title has been criticized in the Catholic Church as incompatible with the claims of the Holy See.


Mount Athos

The monastic communities of
Mount Athos Mount Athos (; el, Ἄθως, ) is a mountain in the distal part of the eponymous Athos peninsula and site of an important centre of Eastern Orthodox monasticism in northeastern Greece. The mountain along with the respective part of the penins ...
are stauropegic and they are directly under the jurisdiction of the ecumenical patriarch, the only bishop who has jurisdiction over them. Athos, officially the "Autonomous Monastic State of the Holy Mountain” ( grc, Αυτόνομη Μοναστικὴ Πολιτεία Ἁγίου Ὄρους), is a self-governed polity within the Greek state subject to the Ministry of Foreign Affairs in its political aspect and to the ecumenical patriarch of Constantinopole as regards to its religious aspect and is home to 20 monasteries and numerous other monastic communities.


Role in the Eastern Orthodox episcopacy

The ecumenical patriarch has a unique role among Eastern Orthodox bishops, though it is not without its controversy. He is ''
primus inter pares ''Primus inter pares'' is a Latin phrase meaning first among equals. It is typically used as an honorary title for someone who is formally equal to other members of their group but is accorded unofficial respect, traditionally owing to their sen ...
'' ("first among equals"), as he is senior among all Orthodox bishops. This primacy, expressed in canonical literature as ''presbeia'' ("prerogatives", literally: "seniorities"), grants to the ecumenical patriarch the right to preside at pan-Orthodox
synod A synod () is a council of a Christian denomination, usually convened to decide an issue of doctrine, administration or application. The word ''wikt:synod, synod'' comes from the meaning "assembly" or "meeting" and is analogous with the Latin ...
s. Additionally, the canonical literature of the Orthodox Church grants to the ecumenical patriarch the right to hear appeals in cases of dispute between bishops. However, whether these canonical rights are limited only to his own patriarchate or are universal throughout the Orthodox Church is the subject of debate, especially between the Ecumenical Patriarchate and the Russian Orthodox Church. Historically, the ecumenical patriarch has heard such appeals and sometimes was invited to intervene in other churches' disputes and difficulties. Even as early as the fourth century, Constantinople was instrumental in the deposition of multiple bishops outside its traditional jurisdiction. This still occurs today, as when in 2006 the patriarchate was invited to assist in declaring the archbishop of the Church of Cyprus incompetent due to his having
Alzheimer's disease Alzheimer's disease (AD) is a neurodegeneration, neurodegenerative disease that usually starts slowly and progressively worsens. It is the cause of 60–70% of cases of dementia. The most common early symptom is difficulty in short-term me ...
. Additionally, in 2005, the Ecumenical Patriarchate convoked a pan-Orthodox synod to express the Orthodox world's confirmation of the deposition of
Patriarch Irenaios Emmanouil Skopelitis ( Greek: Εμμανουήλ Σκοπελίτης), born on 17 April 1939, was, under the name Irenaios, the 140th patriarch of the Greek Orthodox Church of Jerusalem, from his election in 2001, when he succeeded Patriarch Diodo ...
of Jerusalem. In 2006, the patriarchate was invited to hear the appeal of a Russian Orthodox bishop in the United Kingdom in a dispute with his superior in Moscow, though the result of that appeal – and the right to make it – were both rejected by the latter. The ecumenical patriarch has no direct jurisdiction outside the Patriarchate of Constantinople granted to him in Orthodox canonical literature, but his primary function regarding the whole Orthodox Church is one of dealing with relations between autocephalous and autonomous churches. That is, his primary role is one of promoting and sustaining Church unity. This unique role often sees the ecumenical patriarch referred to as the "spiritual leader" of the Orthodox Church in some sources, though this is not an official title of the patriarch nor is it usually used in scholarly sources on the patriarchate. Such a title is acceptable if it refers to this unique role, but it sometimes leads to the mistaken belief that the office is thus the equivalent of an Orthodox pope. There is, however, no Orthodox notion equivalent to the papacy: the Orthodox churches operate in the
synod A synod () is a council of a Christian denomination, usually convened to decide an issue of doctrine, administration or application. The word ''wikt:synod, synod'' comes from the meaning "assembly" or "meeting" and is analogous with the Latin ...
ical system, whereby ecclesiastical matters are settled by the competent
synod A synod () is a council of a Christian denomination, usually convened to decide an issue of doctrine, administration or application. The word ''wikt:synod, synod'' comes from the meaning "assembly" or "meeting" and is analogous with the Latin ...
of bishops, in which each bishop has one vote. The five patriarchs of the ancient Pentarchy (Rome, Constantinople, Alexandria, Antioch, and Jerusalem, in that order) are to be given seniority of honour, but have no actual power over other bishops other than the power of the synod they are chairing (and in which they also wield one vote). In 2007, the patriarch gave his approval to the
Ravenna Document The Declaration of Ravenna is a Roman Catholic–Eastern Orthodox document issued on 13 October 2007, re-asserting that the bishop of Rome is indeed the first ( el, link=no, πρώτος, translit=''protos'') among the patriarchs, although fu ...
, a Catholic–Orthodox document re-asserting that the bishop of Rome is indeed the ''prōtos'' ("first") of the Church, as in "first among equals" and not supreme, although future discussions are to be held on the concrete ecclesiological exercise of papal primacy. According to '' Lumen Gentium'', the patriarch is a validly consecrated bishop in Roman ecclesiology, and there is merely an imperfect ecclesial communion between Constantinople and Rome, which exists nevertheless and which may be improved at some point in history.


Title

The Ecumenical Patriarch bears the name: "(name), by the grace of God Archbishop of Constantinople, New Rome and Ecumenical Patriarch"


Environmental work

Because of the work of Ecumenical Patriarch Dimitrios, who established September 1 as the day for the protection of the environment, and especially the ongoing work of the current patriarch, Ecumenical Patriarch Bartholomew has been given the title, "
Green Patriarch Bartholomew I ( el, Βαρθολομαῖος Αʹ, , tr, I. Bartholomeos; born 29 February 1940) is the 270th archbishop of Constantinople and Ecumenical Patriarch, since 2 November 1991. In accordance with his title, he is regarded as the ''pr ...
". Thus, the person of Bartholomew and by extension the position of the ecumenical patriarch is now being viewed as a religious spokesperson on environmental issues and the "green" spiritual leader in the world.


Early history

The (arch)bishopric of Constantinople has had a continuous history since the founding of the city in AD 330 by
Constantine the Great Constantine I ( , ; la, Flavius Valerius Constantinus, ; ; 27 February 22 May 337), also known as Constantine the Great, was Roman emperor from AD 306 to 337, the first one to Constantine the Great and Christianity, convert to Christiani ...
. After
Constantine the Great Constantine I ( , ; la, Flavius Valerius Constantinus, ; ; 27 February 22 May 337), also known as Constantine the Great, was Roman emperor from AD 306 to 337, the first one to Constantine the Great and Christianity, convert to Christiani ...
had enlarged
Byzantium Byzantium () or Byzantion ( grc, Βυζάντιον) was an ancient Greek city in classical antiquity that became known as Constantinople in late antiquity and Istanbul today. The Greek name ''Byzantion'' and its Latinization ''Byzantium'' cont ...
to make it into a second capital city in 330, it was thought appropriate that its bishop, once a
suffragan A suffragan bishop is a type of bishop in some Christian denominations. In the Anglican Communion, a suffragan bishop is a bishop who is subordinate to a metropolitan bishop or diocesan bishop (bishop ordinary) and so is not normally jurisdictiona ...
of the Exarch of Thrace and Macedonia, the Metropolitan of Heraclea, should be elevated to an archbishopric."Ecumenical Patriarchate of Constantinople", Encyclopædia Britannica 2005 Deluxe ed. CD-ROM. For many decades the heads of the church of Rome opposed this ambition, not because anyone thought of disputing their first place, but because they defended the 'Petrine principle' by which all Patriarchates were derived from Saint Peter and were unwilling to violate the old order of the
hierarchy A hierarchy (from Greek: , from , 'president of sacred rites') is an arrangement of items (objects, names, values, categories, etc.) that are represented as being "above", "below", or "at the same level as" one another. Hierarchy is an important ...
for political reasons. In 381, the First Council of Constantinople declared that "The Bishop of Constantinople shall have the primacy of honour after the Bishop of Rome, because it is New Rome" (canon iii). The prestige of the office continued to grow not only because of the obvious patronage of the Byzantine Emperor but because of its overwhelming geographical importance. The Council of Chalcedon in 451 established Constantinople as a patriarchate with ecclesiastical jurisdiction over Asia Minor (the dioceses of Asiane and Pontus) and Thrace as well as over the barbaric territories, non-converted lands outside the defined area of the Western Patriarchate (Old Rome) and the other three patriarchates, Alexandria, Antioch and Jerusalem, gave it appellate jurisdiction extraterritorially over canon law decisions by the other patriarchs and granted it honours equal to those belonging to the first Christian see, Rome, in terms of primacy, Rome retaining however its seniority (canon xxviii). Leo I refused to accept this canon, basing himself on the fact that it was made in the absence of his
legates A ''legatus'' (; anglicised as legate) was a high-ranking Roman military officer in the Roman Army, equivalent to a modern high-ranking general officer. Initially used to delegate power, the term became formalised under Augustus as the officer ...
. In the sixth century, the official title became that of "archbishop of Constantinople, New Rome, and ecumenical patriarch". The current patriarch (since 1991) is Bartholomew I who has become better-known than any of his predecessors in modern times as a result of his numerous pastoral and other visits to numerous countries in five continents and his setting up of a permanent bureau at the EU headquarters, in addition to enhancing the long-established Patriarchal Centre in Pregny-Chambésy, Switzerland, and also his ecological pursuits which have won him the epithet of "the Green Patriarch".


Ottoman ethnarchy

When the
Ottoman Turks The Ottoman Turks ( tr, Osmanlı Türkleri), were the Turkic founding and sociopolitically the most dominant ethnic group of the Ottoman Empire ( 1299/1302–1922). Reliable information about the early history of Ottoman Turks remains scarce, ...
conquered Constantinople in 1453, the patriarchate ceased to function. The Patriarchate was restored by the conquering ruler, Sultan
Mehmed II Mehmed II ( ota, محمد ثانى, translit=Meḥmed-i s̱ānī; tr, II. Mehmed, ; 30 March 14323 May 1481), commonly known as Mehmed the Conqueror ( ota, ابو الفتح, Ebū'l-fetḥ, lit=the Father of Conquest, links=no; tr, Fâtih Su ...
, who wished to establish his dynasty as the direct heirs of the Eastern Roman emperors, and who adopted the imperial title ''Kayser-i-Rûm'' "caesar of the Romans", one of his subsidiary titles but a significant one. In 1454 he bestowed the office upon an illustrious Byzantine scholar-monk who was well known for his opposition to union with the Latin West,
Gennadius Scholarius Gennadius II (Greek Γεννάδιος Βʹ; lay name Γεώργιος Κουρτέσιος Σχολάριος, ''Georgios Kourtesios Scholarios''; c. 1400 – c. 1473) was a Byzantine Greek philosopher and theologian, and Ecumenical Patriarch ...
, who became Patriarch Gennadius II. The patriarch was designated ''millet-başı'' ( ethnarch) of the
Millet Millets () are a highly varied group of small-seeded grasses, widely grown around the world as cereal crops or grains for fodder and human food. Most species generally referred to as millets belong to the tribe Paniceae, but some millets al ...
of '' Rum'', which included all Orthodox Christians under Ottoman rule, regardless of their
ethnicity An ethnic group or an ethnicity is a grouping of people who identify with each other on the basis of shared attributes that distinguish them from other groups. Those attributes can include common sets of traditions, ancestry, language, history, ...
in the modern sense. This role was carried out by ethnic Greeks at their great peril, in the midst of enormous difficulties and traps and inevitably with mixed success. Several patriarchs were summarily executed by the Ottoman authorities, most notably
Gregory V Gregory may refer to: People and fictional characters * Gregory (given name), including a list of people and fictional characters with the given name * Gregory (surname), a surname Places Australia * Gregory, Queensland, a town in the Shire o ...
, who was lynched on Easter Monday 1821 in revenge for the outbreak of the Greek Revolution. In the 19th century, the rising tide of nationalism and secularism among the
Balkan The Balkans ( ), also known as the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throughout the who ...
Christian nations led to the establishment of several autocephalous national churches, generally under autonomous patriarchs or archbishops, leaving the ecumenical patriarch only direct control over the ethnically Greek-originated Orthodox Christians of Turkey, parts of Greece and the archdioceses in North America, Asia, Africa and Oceania where growing Greek and other migrant communities have gradually constituted a significant orthodox diaspora. Turkish and Armenian Orthodox Christians in Turkey have independent churches.


Relationship with the Republic of Turkey

After the proclamation of the
Republic of Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...
on 29 October 1923, the Turkish state only recognises the patriarch as the spiritual leader of the Greek minority in Turkey, and officially refers to him as the "Greek Orthodox Patriarch of the Phanar" or "Roman Orthodox Patriarch of Constantinople" ( tr, Fener Rum Ortodoks Patriği; Phanar is the neighbourhood in Istanbul where the patriarchate is located). According to Turkish law, still in force today, he is subject to the authority of the Republic of Turkey; however, Turkey allows the Standing Synod of Metropolitan Bishops to elect the patriarch. To be electable, Turkish law requires the candidates to be Turkish citizens by birth. Since the establishment of modern Turkey, the position of the ecumenical patriarch has been filled by Turkish-born citizens of Greek ethnicity. As nearly all Greek Orthodox have left Turkey (see Population exchange between Greece and Turkey and Istanbul Pogrom), this considerably narrows the field of candidates for succession. Human rights groups have long protested against conditions placed by the secular government of Turkey on the ecumenical patriarch, a religious office. The same policy also applied to the institution of the Islamic Caliphate, which was abolished by Turkey. For example, the ecumenical status accorded him traditionally within Eastern Orthodoxy, and recognized previously by the Ottoman governments, has on occasion been a source of controversy within the Republic of Turkey. This policy results in problems in the function of the patriarchate, since clergy coming from abroad are not eligible to apply for residence and work permits. In its early days the Turkish state promoted a rival
Turkish Orthodox Patriarchate The Autocephalous Turkish Orthodox Patriarchate ( tr, ), also referred to as the Turkish Orthodox Church ( tr, ), is an unrecognised Orthodox Christian denomination, descending from Turkish-speaking Karamanlides. General Congregation of the An ...
, whose congregation, however, has remained limited. Expropriation of Church property and the conditions of state control imposed on the Orthodox
Theological School of Halki The Halki seminary, formally the Theological School of Halki ( el, Θεολογική Σχολή Χάλκης and tr, Ortodoks Ruhban Okulu), was founded on 1 October 1844 on the island of Halki ( Turkish: Heybeliada), the second-largest of the ...
that have led to its closure by the Patriarchate, are also cited by human rights groups. However, in 2004 Patriarch Bartholomew, with the help of the Turkish government, succeeded, after eighty years, in altering the composition of the twelve-member Standing Synod of Metropolitan Bishops in Constantinople so that it can include six bishops from outside Turkey. He has also been convening biennially in Constantinople convocations of all bishops in his jurisdiction. The Ecumenical Patriarchate of Constantinople has suffered attacks from 1993 to 2004, including desecration of patriarchal cemeteries as well as assaults on the ecumenical patriarch.Human Rights Internet
The United Nations Human Rights System
Volume 6: Western Europe and Other, pp. 80–81. Retrieved on 2013-10-07


See also

*
Archons of the Ecumenical Patriarchate The Archons of the Ecumenical Patriarchate are honorees of the Patriarch of Constantinople, who have been selected from among the laity due to service to those portions of the Eastern Orthodox Church under his particular guidance. The Order of ...
* Church of St. George, Istanbul *
Eastern Christianity Eastern Christianity comprises Christian traditions and church families that originally developed during classical and late antiquity in Eastern Europe, Southeastern Europe, Asia Minor, the Caucasus, Northeast Africa, the Fertile Crescent and ...
*
Ecumenical Patriarchate of Constantinople The Ecumenical Patriarchate of Constantinople ( el, Οἰκουμενικὸν Πατριαρχεῖον Κωνσταντινουπόλεως, translit=Oikoumenikón Patriarkhíon Konstantinoupóleos, ; la, Patriarchatus Oecumenicus Constanti ...
* History of the Eastern Orthodox Church


References


External links


Ecumenical Patriarchate of Constantinople

Vice President Al Gore welcomes the "Green Patriarch" to the Vice Presidential Residence in Washington, DC.



CBS 60 Minutes featured on 20 December 2009 a segment entitled "The Patriarch Bartholomew"


{{DEFAULTSORT:Ecumenical Patriarch Of Constantinople Apostolic sees Religious leadership roles Pentarchy Eastern Orthodoxy in Europe Greece–Turkey relations Christian terminology Ecclesiastical titles