deputy

Definitions:

A person appointed or deputed to act for another; representative or delegate; one who exercises an office in another's right.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (noun) (n.) (noun)
One appointed to act for another; an agent; a delegate.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
A person appointed to act for another a lieutenant; a viceroy.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (noun) (n.) (noun)
One deputed or appointed to act for another: a delegate or representative: in U. S. an assistant to a public officer, as Deputy U. S. Marshal.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (noun) (n.) (noun)
One appointed to act for another.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (noun) (n.) (noun)

Usage examples:

They quietly passed the deputy who only raised his eyes, smiled at Fledra, and dropped his gaze again to his paper.
- From the Valley of the Missing by Grace Miller White
Many members rushed upon the intruder, and, if we may place confidence in his own tale, a Corsican deputy by name, Arena, aimed a dagger at his throat.
- The History of Napoleon Buonaparte by John Gibson Lockhart
And how you would hate me then; if you had to give up being a Deputy on my account!
- Cæsar or Nothing by Pío Baroja Baroja