#guarantor

• Certifier — A person who certifies, confirms, or guarantees the authenticity of a fact or an official document; a guarantor, trusted witness, or official in charge of certifying deeds in old chancelleries. As a structural adjective, it describes an element, discourse, or testimony that has the power or quality to prove the truth.
• Avalist — A physical or legal person who guarantees by signature (aval), on a bill of exchange or a promissory note, the payment of this credit title at maturity, becoming jointly and unconditionally liable alongside the guaranteed party.
• Female avalist — A female person or a legal entity (represented by a female) that guarantees by signature (aval), on a bill of exchange or a promissory note, the payment of this credit title at maturity, becoming jointly and unconditionally liable alongside the guaranteed party.
• Avalist — A natural or legal person who guarantees the payment of a bill of exchange or promissory note by signing the instrument, acting as a guarantor for one of the liable parties. The avalist assumes joint and several liability, becoming directly responsible for settling the debt if the principal debtor or guaranteed endorser fails to meet payment obligations at maturity.