arbitrator

1. A person, or one of two or more persons, chosen by parties who have a controversy, to determine their differences. See Arbitration. 2. One who has the power of deciding or prescribing without control; a ruler; a governor. Though Heaven be shut, And Heaven's high Arbitrators sit secure. Milton. Masters of their own terms and arbitrators of a peace. Addison. Syn. -- Judge; umpire; referee; arbiter. See Judge.

Source: Webster's Revised Unabridged Dictionary (1913), United States public domain. See methodology for full licensing detail. Word validity for game play may differ from any official game dictionary.