POWERsomeone who controls or influences which people get political power in an area 〔操纵某地区政治势力的〕权力经纪人,权力掮客
—power-broking noun [uncountableU]
Examples from the Corpus
power broker• Karajan was comfortable with his stature as a power broker and not at all shy about wielding his influence.• It was a dramatic transformation, from society hostess to Democratic Party power broker.