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Synonyms and Antonyms of sponsor

  1. a person who takes the responsibility for some other person or thing <you'll need a sponsor to recommend you in order to get into the exclusive country club> Synonyms backer, guarantor, patron, surety Related Words chaperone (or chaperon); advocate, champion, supporter; angel, benefactor, underwriter; coach, mentor, teacher; cosponsor; cosignatory, cosigner

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