Çetes were

Muslim Muslims ( ar, المسلمون, , ) are people who adhere to Islam, a monotheistic religion belonging to the Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the verbatim word of the God of Abrah ...

armed irregular

brigands Brigandage is the life and practice of highway robbery and plunder. It is practiced by a brigand, a person who usually lives in a gang and lives by pillage and robbery.Oxford English Dictionary second edition, 1989. "Brigand.2" first recorded usa ...

who were active in

Asia Minor Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The re ...

after

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

. They were notorious for their assaults on Christian Orthodox

Armenians Armenians ( hy, հայեր, ''hayer'' ) are an ethnic group native to the Armenian highlands of Western Asia. Armenians constitute the main population of Armenia and the ''de facto'' independent Artsakh. There is a wide-ranging diaspora ...

Greeks The Greeks or Hellenes (; el, Έλληνες, ''Éllines'' ) are an ethnic group and nation indigenous to the Eastern Mediterranean and the Black Sea regions, namely Greece, Cyprus, Albania, Italy, Turkey, Egypt, and, to a lesser extent, oth ...

, and Assyrians during the 1910s and 1920s.Raymond Kevorkian.
The Armenian Genocide: A Complete History
', , I.B.Tauris, 2011.George N. Shirinian.
Genocide in the Ottoman Empire: Armenians, Assyrians, and Greeks, 1913-1923
', , Berghahn Books, 2017. The term was also used as a synonym for members of the Special Organization.

References

See also