manipulator vs operator

manipulator and operator both are nouns.

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

As nouns, manipulator and operator are synonyms defined as:

manipulator and operator: an agent that operates some apparatus or machine

manipulator (noun)	operator (noun)
an agent that operates some apparatus or machine	an agent that operates some apparatus or machine
a person who handles things manually	someone who owns or operates a business
	a shrewd or unscrupulous person who knows how to circumvent difficulties
	a speculator who trades aggressively on stock or commodity markets
	(mathematics) a symbol or function representing a mathematical operation