exarch

English Thesaurus

1. a viceroy who governed a large province in the Roman Empire (noun.person)

hypernym	:	vicereine, viceroy,
definition	:	governor of a country or province who rules as the representative of his or her king or sovereign (noun.person)

2. a bishop in eastern Christendom who holds a place below a patriarch but above a metropolitan (noun.person)

hypernym	:	bishop, bishop,
definition	:	a senior member of the Christian clergy having spiritual and administrative authority; appointed in Christian churches to oversee priests or ministers; considered in some churches to be successors of the twelve Apostles of Christ (noun.person)