Select the most appropriate word for the given group of words.

A person who rides in horse races, especially as a profession

Jockey

The most appropriate word for the given group of words is jockey.

• Jockey means a person who rides horses in horse races, especially as a profession.
• Chauffeur means a person who drives a car for another person.
• Champion means a person who has won first place in a competition.
• Cowboy means a person who herds cattle on horseback in the western United States.