endorser
/ɪnˈdɔːrsər/
noun
- A person who publicly supports or approves of someone or something, often in advertising.
- The famous singer became an endorser for a new perfume brand.
- As an endorser of the charity, she helped raise thousands of dollars.
- The company chose a well-known athlete as the endorser of their running shoes.
- A person who signs a check or other document to make it valid for transfer or payment.
- The endorser must sign the back of the check before it can be deposited.
- If the endorser is not the payee, the bank may require additional verification.
- The endorser's signature matched the one on file, so the check was accepted.
Antonyms