backer[noun]Synonyms: supporter, advocate, angel
(informal), benefactor, patron, promoter, second, sponsor, subscriber
Related Words: ally,
protagonist,
bankroller,
grubstaker,
meal ticket,
promoter [TahlilGaran] English Synonym Dictionary ▲
back‧er /ˈbækə $ -ər/
noun [countable] someone who supports a plan, especially by providing money:
We’re still trying to find backers for the housing development scheme. [TahlilGaran] Dictionary of Contemporary English ▲