one who provides a warrant or guarantee to another
同义词：surety, warrantor, warranter
guarantor详细解释
guar.an.tor n.（名词）One, such as a person or corporation, that makes or gives a promise, assurance, or pledge typically relating to quality, durability, or performance.保证人：一个人或一个公司，对与质量、耐用性或性能相关的方面提供担保、保证或誓约
