seconder vs friend

seconder and friend both are nouns.

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

As nouns, friend is a hypernym of seconder; that is, friend 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
friend: a person who backs a politician or a team etc.

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

seconder (noun)	friend (noun)
someone who endorses a motion or petition as a necessary preliminary to a discussion or vote	a person you know well and regard with affection and trust
	a person with whom you are acquainted
	an associate who provides cooperation or assistance
	a person who backs a politician or a team etc.