archon
noun
°A chief magistrate of ancient Athens.
"1980: Hated by the archons of Athens for his fearless condemnation of municipal graft, he was hypocritically arraigned on a charge of corrupting Athenian youth. (Burgess, Earthly Powers)"
°A ruler, head of state or other leader.
"1922: But neither the midwife’s lore nor the caudlectures saved him from the archons of Sinn Fein and their noggin of hemlock. (Joyce, Ulysses)"