a person who vouches or is responsible for a person or thing.

a person, firm, organization, etc., that finances and buys the time to broadcast a radio or television program so as to advertise a product, a political party, etc.

a person who makes a pledge or promise on behalf of another.

a person who answers for an infant at baptism, making the required professions and assuming responsibility for the child's religious upbringing; godfather or godmother.

to act as sponsor for; promise, vouch, or answer for.

verb

disapprove , discourage , hurt

noun

another adherent , advocate , angel * , backer , benefactor , godparent , grubstaker , guarantor , mainstay , patron , promoter , supporter , surety , sustainer , underwriter , guaranty , contributor , friend

verb

answer for , back , bankroll , be responsible for , finance , fund , grubstake , guarantee , patronize , put up money , stake , subsidize , vouch for , support , advertiser , advocate , angel , backer , benefactor , champion , defender , godparent , guardian , patron , promoter , proponent , supporter , surety