Arbitrator – A person appointed to decide and settle disputes and differences

(Pronounced ahr-bi-trey-ter)

To remember the definition of the word arbitrator, use the following mnemonic:

The mob accused us of harbouring a traitor (arbitrator). They called on a lawyer to settle the dispute. 

Examples of arbitrator in a sentence

He often found himself as the arbitrator in his friends disputes as they could never agree on anything. 

They needed to find a new arbitrator as the current one was caught taking bribes. 

The ticket salesman reluctantly became the arbitrator for the couple when they couldn't decide which film to see.