Synonyms and Antonyms of backer
a person who actively supports or favors a cause
- Backers of prison reform held a rally in front of the statehouse.
advocate, advocator, apostle, booster, champion, espouser, exponent, expounder, friend, herald, high priest, paladin, promoter, proponent, protagonist, supporter
a person who takes the responsibility for some other person or thing
- All financial backers will be expected to offer some input into the company's decisions.
someone associated with another to give assistance or moral support
- The student's backers spoke at the school board meeting on her behalf.
accessory (also accessary), accomplice, coalitionist, collaborationist, collaborator
adjunct, assistant, coadjutor, helper
associate, cohort, colleague, fellow, partner
buddy, chum, companion, comrade, confidant, crony, familiar, friend, intimate, mate, pal