the.com/arbiter

The middleman who gets the final word precisely because nobody trusts the other guy.

means A person with the authority to settle a dispute or judge what is correct, whose decision is treated as final.

from Straight from the Latin arbiter, meaning a judge, umpire, or onlooker brought in to settle a matter. The early sense leaned on the idea of someone who goes to a scene to see for himself before ruling — possibly built from ad- (to) and a root tied to going or approaching. Rome loved the figure of the arbiter as a neutral third party in legal and private quarrels, and the word kept that flavor of trusted outsider all the way into English.

latin root
From arbiter, meaning eyewitness or judge
roman style
Petronius was Nero's official arbiter of taste
no appeal
Arbitration rulings rarely overturn in court
versus mediator
Mediators suggest, arbiters decide
elegance
An arbiter elegantiarum dictated what's fashionable
for instance

pierre de coubertin — french educator who arbitrated the modern olympic movement's founding in 1896

international court of justice — netherlands-based court that arbitrates disputes between un member states

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