Hierarch
Hierarch (hī"ẽr*ark`) , noun
[Late Latin hierarcha, Greek {not transcribed}; "iero`s sacred (akin to Sanskrit ishiras vigorous, fresh, blooming) + {not transcribed} leader, ruler, from {not transcribed} to lead, rule: compare French hiérarque.]
One who has high and controlling authority in sacred things; the chief of a sacred order; as, princely hierarchs. — Milton