exarch

ex·arch
/ˈeksärk/

noun

noun: exarch; plural noun: exarchs
1.
(in the Orthodox Church) a bishop lower in rank than a patriarch and having jurisdiction wider than the metropolitan of a diocese.
2.
HISTORICAL
a governor of a distant province under the Byzantine emperors.

Did you know that after Justinian reconquered Italy the exarch ruled from Ravenna, not Rome?

by Zettic August 19, 2020