From my knowledge, the answer to this question is a 'manipulator'. Hopefully that helps with an answer.
Uggghh..I've been looking for this as well...The only word I can think of is blackmailer...
I would like to propose that a new word is used for such an act. I would like to give the word 'exploitationist' for such a thing as using others or things to the advantage of themselves.
Someone who uses a compass is typically called an orienteer or navigator.
When someone uses their voice to communicate words instead of singing them, it is called speaking.
a sesquipedalian
When someone does this they Pantomime.
An exploiter would be one who uses advantages and/or people for personal gain
Hacker
There is no special term for a person who uses any of the products offered by the Xerox Corporation. Sometimes people whose job it to manage and maintain a xerographic copier is called an "operator."
Someone who buys and uses products is called a consumer. And, one that particularly consumes health products is sometimes referred to as a health nut.
artificial respiration.
Someone who uses their education level to snub people.
Pantomime
That is referred to as "weaponizing" something that was said.