expounder vs intellectual

expounder and intellectual both are nouns.

Word	Noun	Adjective	Verb	Adverb
expounder	Yes	No	No	No
intellectual	Yes	Yes	No	No

As nouns, intellectual is a hypernym of expounder; that is, intellectual is a word with a broader meaning than expounder:

Other hypernyms of expounder include intellect.

expounder (noun)	intellectual (noun)
a person who explains	a person who uses the mind creatively

expounder (adjective)	intellectual (adjective)
	appealing to or using the intellect
	involving intelligence rather than emotions or instinct
	of or associated with or requiring the use of the mind