seconder vs admirer

seconder and admirer both are nouns.

Word	Noun	Adjective	Verb	Adverb
seconder	Yes	No	No	No
admirer	Yes	No	No	No

As nouns, admirer is a hypernym of seconder; that is, admirer is a word with a broader meaning than seconder:

seconder: someone who endorses a motion or petition as a necessary preliminary to a discussion or vote
admirer: a person who backs a politician or a team etc.

Other hypernyms of seconder include booster, champion, friend, protagonist, supporter.

seconder (noun)	admirer (noun)
someone who endorses a motion or petition as a necessary preliminary to a discussion or vote	someone who admires a young woman
	a person who backs a politician or a team etc.
	a person who admires; someone who esteems or respects or approves