a person who takes the responsibility for some other person or thingthe town police force is the guarantor of our safety
the town police force is the guarantor of our safety
backer, patron, sponsor, surety
chaperone(or chaperon)advocate, champion, supporterangel, benefactor, underwritercoach, mentor, teachercosponsorcosignatory, cosigner
ca. 1828
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。