guarantor[noun]Synonyms: sponsor, angel, backer, backer-up, patron, surety
[TahlilGaran] English Synonym Dictionary ▲
guar‧an‧tor /ˌɡærənˈtɔː $ -ˈtɔːr/
noun [countable] law someone who promises to pay a debt if the person who should pay it does not
[TahlilGaran] Dictionary of Contemporary English ▲