Synonyms for Hierarch:

n.

head, chieftain, chief, headman, director, over, master, boss, honcho, cock of the walk, leader. hierarch (noun)
prelate, primate, high priest, archpriest.

Other synonyms:

headman, honcho, chieftain. master, chief. boss. director. leader. head. Other relevant words:
director, chief, boss, master, honcho, leader, headman, head, chieftain.

Usage examples for hierarch

  1. He had no faith at all in the loyalty of the hierarch at any other time the affection the latter manifested for the chains he bore would have been ludicrous and nothing else. – Mary Magdalen by Edgar Saltus
  2. What is now left of Saint Michael, the glittering hierarch – Old Calabria by Norman Douglas