drug trafficker vs malefactor

drug trafficker and malefactor both are nouns.

Word	Noun	Adjective	Verb	Adverb
drug trafficker	Yes	No	No	No
malefactor	Yes	No	No	No

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

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

Other hypernyms of drug trafficker include criminal, crook, felon, outlaw, dealer.

drug trafficker (noun)	malefactor (noun)
an unlicensed dealer in illegal drugs	someone who has committed a crime or has been legally convicted of a crime