guarantor
🇺🇸
/ˌɡærənˈtɔːr/
🇬🇧
/ˌɡærənˈtɔː(r)/
A person who promises to be responsible for someone else's debt or actions if they fail to fulfill their obligations.
The bank required a guarantor for the loan, so her father signed the agreement.
銀行要求貸款有擔保人,所以她的父親簽署了協議。