arbitrator
arbitrator
noun
/ˈɑːbɪtreɪtə(r)/
​a person who is chosen to settle a disagreement
An outside arbitrator may be appointed in such cases.
Where no agreement can be reached, the matter will be referred to an independent arbitrator.
TOPICS Discussion and agreement C2
Word Origin
late Middle English: from late Latin, from the verb arbitrari, from arbiter ‘judge, supreme ruler’.