backer
🇺🇸
/ˈbækər/
🇬🇧
/ˈbækə(r)/
A person or organization that supports someone or something, especially by providing money.
The film received funding from generous backers who believed in its message.
その映画は、そのメッセージを信じる気前の良い支援者から資金援助を受けました。