somebody who rides a horse in races, esp as a professional

NAmer somebody who operates a specified vehicle, device, or object

a truck jockey

to ride (a horse) as a jockey

to manoeuvre or manipulate (somebody) by adroit or devious means

He jockeyed me into handing over the money

chiefly NAmer to drive or operate (something)

to ride as a jockey

to manoeuvre for advantage

A group of photographers jockeyed for position