arbitrator
US /ˈɑːr.bə.treɪ.t̬ɚ/
UK /ˈɑːr.bə.treɪ.t̬ɚ/

1.
árbitro, mediador
an independent person or body officially appointed to settle a dispute
:
•
The union and management agreed to appoint an arbitrator to resolve their conflict.
El sindicato y la gerencia acordaron nombrar un árbitro para resolver su conflicto.
•
The decision of the arbitrator is binding on both parties.
La decisión del árbitro es vinculante para ambas partes.