manipulator vs doer

manipulator and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
manipulator	Yes	No	No	No
doer	Yes	No	No	No

As nouns, doer is a hypernym of manipulator; that is, doer is a word with a broader meaning than manipulator:

Other hypernyms of manipulator include actor, worker.

manipulator (noun)	doer (noun)
an agent that operates some apparatus or machine	a person who acts and gets things done
a person who handles things manually