The phrase "master manipulator" refers to a person who is incredibly skilled at influencing or controlling others to achieve their own goals, often without those being manipulated realizing it. Full definition
All the pieces are there, especially in the film's subject — the steely Elizabeth Sloane (Jessica Chastain), a pill - popping master manipulator who is always at the ready with a perfect quip, biblical verse or history lesson for the moment. (chicagotribune.com)
«Ants: Master manipulators for biodiversity, or sweet treats.» (sciencedaily.com)
It is very difficult to imagine that, as a priest, he was ever the caretaker, indeed master manipulator, of the psyches of the masses that he is now. (firstthings.com)