manipulator vs fiddler

manipulator and fiddler both are nouns.

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

As nouns, fiddler is a hyponym of manipulator; that is, fiddler is a word with a more specific, narrower meaning than manipulator:

Other hyponyms of manipulator include twiddler.

manipulator (noun)	fiddler (noun)
an agent that operates some apparatus or machine	a musician who plays the violin
a person who handles things manually	an unskilled person who tries to fix or mend
	someone who manipulates in a nervous or unconscious manner