engineer vs manipulator

engineer and manipulator both are nouns.

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

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

Other hypernyms of engineer include operator.

engineer (noun)	manipulator (noun)
a person who uses scientific knowledge to solve practical problems	an agent that operates some apparatus or machine
the operator of a railway locomotive	a person who handles things manually

engineer (verb)	manipulator (verb)
plan and direct (a complex undertaking)
design as an engineer