arbitrator
US /ˈɑːr.bə.treɪ.t̬ɚ/
UK /ˈɑːr.bə.treɪ.t̬ɚ/
1.
an independent person or body officially appointed to settle a dispute
:
•
The union and management agreed to appoint an arbitrator to resolve their conflict.
•
The decision of the arbitrator is binding on both parties.