Definition of arbiters:
(n) :
A person appointed, or chosen, by parties to determine a controversy between them; an arbitrator.
(n) :
(with of) A person or object having the power of judging, determining, or ordaining; one whose power of deciding and governing is not limited.
(v) :
(transitive) To act as an arbiter.
(n) :
(electronics) A component in circuitry that allocates scarce resources.