surety
noun [ C or U ] law specialized uk/ˈʃɔː.rə.ti/ us/ˈʃʊr.ə.t̬i/
担保人，保证人;担保;保证金
a person who accepts legal responsibility for another person's debt or behaviour, or money given as a promise that someone will do something that they have promised to do, such as pay a debt or appear in court
Her brothers are acting as sureties for her. 她的兄弟们给她当担保人。
No one has yet been found who is willing to stand (= act as a) surety for Mr Naylor. 还没有找到愿意为内勒先生担保的人。
What are you able to provide as a surety that you will repay the loan? 您能拿什么来担保你会偿还贷款?