angel investor

Noun

 * 1)  An investor to a start-up, especially one who invests very early or during the company's initial forming, often with a slim chance of a return on investment.

Translations

 * Estonian: äriingel
 * Finnish:
 * French:
 * German: Business Angel, Unternehmensengel
 * Hungarian:, üzleti angyal
 * Polish: anioł biznesu