1. A legal commitment by an individual to be responsible for another person's debt or obligation if the primary debtor defaults
The bank requested a personal guarantee from the company director to secure the loan.
O banco solicitou uma garantia pessoal do diretor da empresa para garantir o empréstimo.
2. A pledge or assurance given by a person, backed by their personal assets or creditworthiness
She provided a personal guarantee to support her brother's business loan application.
Ela forneceu uma garantia pessoal para apoiar a solicitação de empréstimo comercial de seu irmão.