GUARANTOR
guarantor, surety, warrantor, warranter
(noun) one who provides a warrant or guarantee to another
Source: WordNet® 3.1
Noun
guarantor (plural guarantors)
A person or company that provides a guarantee.
Synonyms
• guaranteer
• surety
Anagrams
• arrogaunt
Source: Wiktionary
Guar"an*tor`, n. Etym: [See Guaranty, and cf. Warrantor.] (Law)
(a) One who makes or gives a guaranty; a warrantor; a surety.
(b) One who engages to secure another in any right or possession.
Source: Webster’s Unabridged Dictionary 1913 Edition