drug trafficker vs criminal

drug trafficker and criminal both are nouns.

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

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

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

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

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

drug trafficker (adjective)	criminal (adjective)
	guilty of crime or serious offense
	involving or being or having the nature of a crime
	bringing or deserving severe rebuke or censure