ochlagogue

As an initialism mob

is (nautical) m'an '''o'''ver ' b oard, used eg on the emergency button of a satellite navigator by pushing the button the operator stores the coordinates of a man overboard incident for easy access.

As a noun ochlagogue is

(rare) a manipulator of a mob who holds sway by use of inflammatory rhetoric, casting opprobrium, and by appeal to the lowest common denominator generally; an extreme and wholly unscrupulous demagogue; one who practises ochlagogy.

As nouns the difference between manipulator and ochlagogue

is that manipulator is manipulator (person trying to control another one through deception or guilt induction) while ochlagogue is (rare) a manipulator of a mob who holds sway by use of inflammatory rhetoric, casting opprobrium, and by appeal to the lowest common denominator generally; an extreme and wholly unscrupulous demagogue; one who practises ochlagogy.