endorser vs subscriber

endorser and subscriber both are nouns.

Word	Noun	Adjective	Verb	Adverb
endorser	Yes	No	No	No
subscriber	Yes	No	No	No

As nouns, endorser and subscriber are synonyms defined as:

Other synonyms of endorser include indorser, ratifier.

endorser (noun)	subscriber (noun)
someone who expresses strong approval	someone who contributes (or promises to contribute) a sum of money
a person who transfers his ownership interest in something by signing a check or negotiable security	someone who contracts to receive and pay for a service or a certain number of issues of a publication
	someone who expresses strong approval