Vicarius

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Original dioceses of the Roman Empire, created by emperor Diocletian (284–305)
Later dioceses of the Roman Empire, around 400 AD

Vicarius is a Latin word, meaning substitute or deputy. It is the root of the English word "vicar".

History

Originally, in

genitive (e.g. vicarius praetoris). At a low level of society, the slave of a slave, possibly hired out to raise money to buy manumission, was a servus vicarius.[1]

Later, in the 290s, Emperor

Roman provinces increased, and the creation of a new administrative level, the diocese. The dioceses, initially twelve, grouped several provinces, each with its own governor. The dioceses were headed by a vicarius, or, more properly, by a vices agens praefecti praetorio ("deputy of the praetorian prefect"). An exception was the Diocese of the East, which was headed by a comes
("count"). In 370 or 381, Egypt and Cyrenaica were detached from the Diocese of the East and made a diocese under an official called the Augustal Prefect.

In the eastern parts of the Empire, dominated by the Greek language and common use of Greek terminology, a vicarius was called an exarch.[2]

According to the

officium, was rather similar to a gubernatorial officium. For example, in the diocese of Hispania
, the staff of the vicarius included:

References

Sources