It depends on the meaning :
backern(=supporter) [+person, scheme] partisan m , (financially) commanditaire m
financial backer commanditaire m
→ He is alleged to have been the main financial backer of the extremist militias.
Traduction Dictionnaire Collins Anglais - Francais
backer n avaliseur m , garant m
Wally De Backer's birth name is Wouter De Backer.
It's Wouter De Backer he only uses gotye for his stage name <3
broadway backer
Gotye, the Australian musician, was born Wouter De Backer. His father, Frans De Backer, is Belgian, and his mother, Elly De Backer, is of Flemish descent. They played a significant role in his upbringing, influencing his artistic journey.
Ray Lewis.
An "Angel".
Marijn Backer was born in 1956.
Harriet Backer was born in 1845.
Harriet Backer died in 1932.
Adriaen Backer was born in 1635.
Terry Backer was born in 1954.
Lars Backer died in 1930.