manipulator

US /məˈnɪp.jə.leɪ.t̬ɚ/
UK /məˈnɪp.jə.leɪ.t̬ɚ/
1.

manipulador

a person who controls people to their own advantage, often unfairly or dishonestly:

:
She was, said the judge, a ruthless and scheming manipulator.