jockey

(noun) someone employed to ride horses in horse races.

(noun) an operator of some vehicle or machine or apparatus. Examples: "He's a truck jockey." "A computer jockey." "A disc jockey."

(verb) defeat someone through trickery or deceit. Synonyms: cheat, chouse, shaft, screw, chicane.

(verb) compete (for an advantage or a position).

(verb) ride a racehorse as a professional jockey.