Endorser

n.

1.

Same as Indorser.

Noun	1.	endorser - someone who expresses strong approval Synonyms: indorser, ratifier, subscriber
	2.	endorser - a person who transfers his ownership interest in something by signing a check or negotiable security Synonyms: indorser

Maecenas, abettor, admirer, advocate, aficionado, angel, apologist, approver, backer, buff, certifier, champion, confirmer, cosignatory, cosigner, defender, dependence, encourager, exponent, fan, favorer, friend at court, guarantor, insurer, lover, mainstay, maintainer, notary, notary public, paranymph, partisan, party, patron, promoter, protagonist, ratifier, reliance, second, seconder, sectary, sider, signatory, sponsor, stalwart, standby, subscriber, support, supporter, sustainer, sympathizer, underwriter, upholder, votary, well-wisher