arbitrator

[ ahr-bi-trey-ter ]
/ ˈɑr bɪˌtreɪ tər /

noun

a person chosen to decide a dispute or settle differences, especially one formally empowered to examine the facts and decide the issue.

Origin of arbitrator

1400–50; late Middle English arbitratour < Late Latin; see arbitrate, -tor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for arbitrator