arbitrator
noun [ C ] uk/ˈɑː.bɪ.treɪ.tər/ us/ˈɑːr.bə.treɪ.t̬ɚ/
仲裁人;裁决人;公断人
a person who has been officially chosen to make a decision between two people or groups who do not agree
Compare: umpire noun
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