powerbroker

Definition of Powerbroker in English :

1. power broker, powerbroker

a person who is important by virtue of the people or votes they control

Example Sentences:
'a power broker who does you a favor will expect you to return it'

WordNet Lexical Database for English. Princeton University. 2010.

Powerbroker

noun

a person with power and influence, esp one who operates behind the scenes

a person who has power and influence, esp. one who operates unofficially or behind the scenes as an intermediary

: also written ˈpowerˌbroker noun

n.

A person who exerts strong political or economic influence, especially by virtue of the individuals and votes he or she controls.