regent

One who rules during the minority, absence, or disability of a monarch.

One acting as a ruler or governor.

A member of a board that governs an institution, such as a state university.

To teach or superintend as a regent.

To direct or control (a person) as a regent.

To act as a regent of a university.

Ruling; governing.

Exercising vicarious authority: as, a prince regent.

Taking part in the government of a university.

A ruler; a governor: in a general sense.