ar·bi·tra·tor /ˈɑrbəˌtretɚ/
  仲裁人,公斷者
  Ar·bi·tra·tor n.
  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.
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  arbitrator
       n : someone chosen to judge and decide a disputed issue [syn: arbiter]