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arbitrator

ar·bi·tra·tor

arbitrator

pronunciation:
ar bih treI tr
part of speech: noun
definition 1: a person chosen to mediate and resolve disputes or controversies.
a labor arbitrator
synonyms:
arbiter, decider, mediator, umpire
similar words:
go-between, intercessor, intermediary, judge, negotiator, referee
definition 2: one who has final authority to decide an outcome; arbiter.
He was the arbitrator of the prisoner's destiny.
synonyms:
adjudicator, arbiter, decider, umpire
similar words:
determiner, judge