fiddler vs manipulator

fiddler and manipulator both are nouns.

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

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

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