friend vs indorser

friend and indorser both are nouns.

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

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

friend (noun)	indorser (noun)
a person you know well and regard with affection and trust	someone who expresses strong approval
a person with whom you are acquainted	a person who transfers his ownership interest in something by signing a check or negotiable security
an associate who provides cooperation or assistance
a person who backs a politician or a team etc.