mobster vs outlaw

mobster and outlaw both are nouns.

Word	Noun	Adjective	Verb	Adverb
mobster	Yes	No	No	No
outlaw	Yes	Yes	Yes	No

As nouns, outlaw is a hypernym of mobster; that is, outlaw is a word with a broader meaning than mobster:

mobster: a criminal who is a member of gang
outlaw: someone who has committed a crime or has been legally convicted of a crime

Other hypernyms of mobster include criminal, crook, felon, malefactor.

mobster (noun)	outlaw (noun)
a criminal who is a member of gang	someone who has committed a crime or has been legally convicted of a crime

mobster (adjective)	outlaw (adjective)
	contrary to or forbidden by law
	disobedient to or defiant of law

mobster (verb)	outlaw (verb)
	declare illegal; outlaw