1. indorser(n = noun.person) endorser, ratifier, subscriber - someone who expresses strong approval;
is a kind of admirer, booster, champion, friend, protagonist, supporter
Derived form verb indorse2
2. indorser(n = noun.person) endorser - a person who transfers his ownership interest in something by signing a check or negotiable security;
is a kind of signatory, signer
has particulars: accommodation endorser
Derived form verb indorse4
The person who indorses. [1913 Webster]