A ~ is someone who has a lot of influence, especially in politics, and uses it to help other people gain power.
Jackson had been a major power-broker in the 1988 Presidential elections.
N-COUNT
A ~ is someone who has a lot of influence, especially in politics, and uses it to help other people gain power.
Jackson had been a major power-broker in the 1988 Presidential elections.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012