arms-runner vs smuggler

arms-runner and smuggler both are nouns.

Word	Noun	Adjective	Verb	Adverb
arms-runner	Yes	No	No	No
smuggler	Yes	No	No	No

As nouns, smuggler is a hypernym of arms-runner; that is, smuggler is a word with a broader meaning than arms-runner:

Other hypernyms of arms-runner include contrabandist, moon-curser, moon curser, runner.

arms-runner (noun)	smuggler (noun)
a smuggler of guns	someone who imports or exports without paying duties