vicegerent

A person appointed by a ruler or head of state to act as an administrative deputy.

Having or exercising delegated power; acting in the place of another, as by substitution or deputation.

An officer deputed by a superior or by proper authority to exercise the powers of the higher authority; one having a delegated power; a deputy; a vicar.

Having or exercising delegated power; acting by substitution, or in the place of another.

An officer who is deputed by a superior, or by proper authority, to exercise the powers of another; a lieutenant; a vicar.

The official administrative deputy of a ruler or head of state; viceregent.

someone appointed by a ruler as an administrative deputy