A cleric; someone (such as a priest) who administers a church (ecclesia) or other religious gathering/group.
A member of the Athenian ecclesia (public legislative assembly).
A member of any ecclesia (church or other assembly).
One who has high and controlling authority in sacred things; the chief of a sacred order.
A title of bishops in their role as ordinaries (arbiters of canon law) over their respective dioceses.