peddler vs malefactor

peddler and malefactor both are nouns.

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

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

peddler: an unlicensed dealer in illegal drugs
malefactor: someone who has committed a crime or has been legally convicted of a crime

Other hypernyms of peddler include criminal, crook, felon, outlaw, dealer.

peddler (noun)	malefactor (noun)
someone who travels about selling his wares (as on the streets or at carnivals)	someone who has committed a crime or has been legally convicted of a crime
an unlicensed dealer in illegal drugs