Arbiter
Bouvier's Law Dictionary and Concise Encyclopedia · John Bouvier; revised by Francis Rawle · 1914
Bouvier's Law Dictionary and Concise Encyclopedia
A person bound to decide according to the rules of law and equity, as distinguished from an arbitrator, who may proceed wholly at his own discretion, so that it be according to the judgment of a sound man.
Cowell.
This distinction between arbiters and arbitrators is not observed in modern law.
Russell, Arbitrator 112.
See Arbitrator. One appointed by the Roman praetor to decide by the equity of the case, as distinguished from the judex, who followed the law. Calvinus, Lex. One chosen by the parties to decide the dispute; an arbitrator. Bell, Diet.