hierarch

/ˈhaɪərɑːrk/
noun
  1. A person who holds a high position in a hierarchy, especially in a religious or organizational structure.
    • The church hierarch addressed the congregation from the pulpit.
    • The ancient temple was led by a powerful hierarch who controlled the rituals.
    • In the corporate world, a hierarch often makes decisions that affect many employees.
Antonyms