schmoozer vs talker

schmoozer and talker both are nouns.

Word	Noun	Adjective	Verb	Adverb
schmoozer	Yes	No	No	No
talker	Yes	No	No	No

As nouns, talker is a hypernym of schmoozer; that is, talker is a word with a broader meaning than schmoozer:

schmoozer: someone skilled at conversation
talker: someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)

Other hypernyms of schmoozer include speaker, utterer, verbaliser, verbalizer.

schmoozer (noun)	talker (noun)
someone skilled at conversation	someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)