arbitrator

English Thesaurus

1. someone chosen to judge and decide a disputed issue (noun.person)

hypernym	:	evaluator, judge,
definition	:	an authority who is able to estimate worth or quality (noun.person)

hyponym	:	third party,
definition	:	someone other than the principals who are involved in a transaction (noun.person)

derivation	:	arbitrate, intercede, intermediate, liaise, mediate,
definition	:	act between parties with a view to reconciling differences (verb.communication)

derivation	:	arbitrate, intercede, intermediate, liaise, mediate,
definition	:	act between parties with a view to reconciling differences (verb.communication)