plotter vs malefactor

plotter and malefactor both are nouns.

Word	Noun	Adjective	Verb	Adverb
plotter	Yes	No	No	No
malefactor	Yes	No	No	No

As nouns, malefactor is a hypernym of plotter; that is, malefactor is a word with a broader meaning than plotter:

plotter: a member of a conspiracy
malefactor: someone who has committed a crime or has been legally convicted of a crime

Other hypernyms of plotter include criminal, crook, felon, outlaw.

plotter (noun)	malefactor (noun)
an instrument (usually driven by a computer) for drawing graphs or pictures	someone who has committed a crime or has been legally convicted of a crime
a member of a conspiracy
a planner who draws up a personal scheme of action
a clerk who marks data on a chart