cosigner

• Sustantivo que designa a una persona que firma un documento junto con otra, generalmente para respaldar un préstamo u obligación de un tercero, o para dar fe de la autenticidad de la firma principal.

A noun referring to a person who signs a document jointly with another, often to provide surety or to verify the authenticity of the principal signature.

1. Joint signer of a documentB2formal

   A person who signs a document together with one or more other people, such as a treaty or declaration.

   Firmante conjunto

   • The treaty was signed by the president and his cosigner.
   • Both parties acted as cosigners on the agreement.
   • The declaration required a cosigner to be valid.

   Sinónimoscosignatory

2. Additional signer for suretyB2formal

   A person who signs a document in addition to the principal signer, often to verify the authenticity of the signature or to provide financial guarantee.

   cofirmante

   • The bank required a cosigner for the loan application.
   • She acted as a cosigner on her son's apartment lease.
   • The cosigner is responsible for the debt if the primary borrower defaults.

   Sinónimoscosignatoryguarantorsurety