Manipulator

n.

1.

One who manipulates, sometimes in an underhanded or fraudulent manner; as, a stock market manipulator.

Noun	1.	manipulator - an agent that operates some apparatus or machine; "the operator of the switchboard" Synonyms: operator
	2.	manipulator - a person who handles things manually

Rasputin, Svengali, VIP, access, agent, bad influence, big wheel, calculator, conductor, court, driver, eminence grise, engineer, five-percenter, friend at court, functionary, good influence, gray eminence, handler, heavyweight, hidden hand, influence, influence peddler, influencer, ingroup, intriguer, key, kingmaker, lobby, lobbyist, lords of creation, machinator, man of influence, maneuverer, open sesame, operant, operative, operator, pilot, powers that be, pressure group, runner, schemer, sinister influence, special interests, special-interest group, steersman, strategist, tactician, the Establishment, very important person, wheeler-dealer, wire-puller