This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. One that gives aid, especially financial aid.

n. Somebody who gives one a gift. Usually refers to someone who gives money to a charity or another form of organization.

n. One who confers a benefit or benefits.

n. Literally, a well-doer; one who does good.

n. One who confers a benefit; a kindly helper: as, “the great benefactor of mankind,”

n. One who makes a benefaction to or endows a charitable or other institution; one who makes a bequest.

n. a person who helps people or institutions (especially with financial help)

"Again, it's probably not illegal, but you'd think that whoever's taking the money would want to know that their benefactor is an anti-Semitic, homophobic whack-job with delusions of grandeur, not to mention the cosmic e-mail box for Hitler and Stalin."

sponger   

good person   

benefactrice    benefactress    beneficiary   

humanitarian    patron    supporter    bondsman    improver    liberator    sparer    offeror    conferrer    saviour   

benefiter    patron    Maecenas    giver   

protector    patron    philanthropist    mentor    founder    contributor    donor    savior    statesman    patriot