bronco buster

Translations
человек, укрощающий диких лошадей
He became a famous bronco buster in the rodeo circuit.
Он стал знаменитым укротителем диких лошадей на родео.
Definitions
A bronco buster is a person, typically a cowboy, who specializes in taming and riding wild or unbroken horses (broncos). The term is often associated with rodeo events where riders attempt to stay mounted on bucking horses.