Bronco-buster is a term often used to refer to a person who is skilled at breaking in wild horses. However, there are several synonyms for this term that can be used interchangeably. These synonyms include horse breaker, wild horse tamer, rodeo cowboy, mustang breaker, horse trainer and stunt rider. Each of these words is used to describe a person who has a deep understanding of horses and is capable of handling them with skill and expertise. Whether it's breaking in a wild mustang or performing daring stunts on horseback, these individuals are true equestrian experts and deserve our respect and admiration.