Marcus Calventius Viator was a soldier and commander of
Roman Emperor Hadrian
Hadrian (; la, Caesar Trâiānus Hadriānus ; 24 January 76 – 10 July 138) was Roman emperor from 117 to 138. He was born in Italica (close to modern Santiponce in Spain), a Roman ''municipium'' founded by Italic settlers in Hispania B ...
's horse guards, the ''equites singulares Augusti'', during the early 2nd century.
Viator served as a
centurion
A centurion (; la, centurio , . la, centuriones, label=none; grc-gre, κεντυρίων, kentyríōn, or ) was a position in the Roman army during classical antiquity, nominally the commander of a century (), a military unit of around 80 ...
in
Legio IV Flavia Felix
Legio IV Flavia Felix ("Lucky Flavian Fourth Legion"), was a legion of the Imperial Roman army founded in AD 70 by the emperor Vespasian (r. 69–79) from the cadre of the disbanded Legio IV ''Macedonica''. The legion was active in Moesia Supe ...
and was training officer (''exercitator'') of
Gaius Avidius Nigrinus
Gaius Avidius Nigrinus (died 118 AD) was a Roman senator who lived between the 1st and 2nd centuries. Nigrinus served as suffect consul for the ''nundinium'' of April to June 110 with Tiberius Julius Aquila Polemaeanus as his colleague.
Ancestr ...
' horse guards (''equites singulares''). He made a dedication at the legionary base in northern
Dacia at
Apulum sometime between 110 and 118. In 118 Nigrinus was involved in a conspiracy with
Lusius Quietus against Hadrian. It has been speculated that Viator may have implicated Nigrinus, given his later promotion under Hadrian.
[Birley, p. 89] Viator was promoted to the emperor's horse guards sometime before 128, being attested at Zarai in Africa Province.
Notes
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2nd-century Romans
Romans from unknown gentes