What is the meaning of Arbiter?

A person appointed, or chosen, by parties to determine a controversy between them; an arbitrator.

A person or object having the power of judging, determining, or ordaining; one whose power of deciding and governing is not limited.

A component in circuitry that allocates scarce resources.

To act as arbiter.

arbiter, arbitrator

referee

arbiter, arbitrator: a person appointed, or chosen, by parties to determine a controversy between them.

witness, spectator, onlooker

arbitrator, arbiter

judge, umpire, arbitrator, arbiter

overseer, controller, ruler

arbiter (person appointed, or chosen, by parties to determine a controversy between them)

authority (person)

referee (umpire, judge of a game)

Source: wiktionary.org