1. A person who endorses or supports someone or something
The celebrity endorser promoted the new product on social media.
O endossante celebridade promoveu o novo produto nas redes sociais.
2. In banking/finance, a person who signs the back of a check or negotiable instrument to transfer it to another party
The check endorser signed on the back to pass it to the beneficiary.
O endossante assinou no verso do cheque para passá-lo ao beneficiário.