Vicegerent
From BiblePortal Wikipedia
Vicegerent [1]
(1):
(a.) Having or exercising delegated power; acting by substitution, or in the place of another.
(2):
(n.) An officer who is deputed by a superior, or by proper authority, to exercise the powers of another; a lieutenant; a vicar.
(3):
(a.) Having or exercising delegated power; acting by substitution, or in the place of another.