By DICK CAVELLI
The three titles are often used interchangeably by the media, but there are clear differences among them.
The arbiter, for example, is a chosen or appointed judge or umpire; an absolute and final judge. An arbitrator is a person chosen by agreement of parties to decide a dispute between them, and a mediator is one who interposes between parties to reconcile them.
Of the three, the arbiter sounds as if he’d be the toughest cookie, while the mediator sounds like an old softie who puts his arms around the warring parties and says, “Come on fellas, make nice, don’t fight.”