Manipulator

Noun

 * 1) Agent noun of manipulate; one who manipulates.
 * 2) A device which can be used to move, arrange or operate something.
 * 3) A puppeteer, especially one controlling marionettes.

Thesaurus
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

Translations

 * Romanian: (1.) manipulator (person)
 * Romanian: (2.) manipulator (device)