broadcaster vs DJ

broadcaster and DJ both are nouns.

Word	Noun	Adjective	Verb	Adverb
broadcaster	Yes	No	No	No
DJ	Yes	No	Yes	No

As nouns, DJ is a hyponym of broadcaster; that is, DJ is a word with a more specific, narrower meaning than broadcaster:

Other hyponyms of broadcaster include announcer, broadcast journalist, d.j., disc jockey, disk jockey, telecaster.

broadcaster (noun)	DJ (noun)
a mechanical device for scattering something (seed or fertilizer or sand etc.) in all directions	a person who announces and plays popular recorded music
someone who broadcasts on radio or television

broadcaster (verb)	DJ (verb)
	comment on music to be played