powerbroker

or pow·er bro·ker

[pou-er-broh-ker]
See more synonyms for powerbroker on Thesaurus.com

Origin of powerbroker

An Americanism dating back to 1960–65; power + broker
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for powerbroker

activist, powerbroker, kingmaker, wire-puller