jockey

noun

1. One who rides racehorses competitively.
2. That part of a variable resistor or potentiometer that rides over the resistance wire
3. (in-compounds)An operator of some machinery or apparatus.
4. (dated)A dealer in horses; a horse trader.

   “And the crime for which Nuncomar was about to die was regarded by them in much the same light in which the selling of an unsound horse, for a sound price, is regarded by a Yorkshire jockey.”

5. (dated)A cheat; one given to sharp practice in trade.
6. (UK, slang)A prostitute's client.
7. (Ireland, slang)A rapist.

verb

1. To ride (a horse) in a race.
2. To jostle by riding against.

   “They were jockeying for position toward the end of the race.”

   “I love jockeying that motorcycle through heavy traffic.”

3. To maneuver (something) by skill; especially, to do so for one's advantage.

   “They're all jockeying for promotion.”

   “This particularly obtains in all Parliamentary affairs. Whether the business in hand be to get a man in, or get a man out, or get a man over, or promote a railway, or jockey a railway, or what else, nothing is understood to be so effectual as scouring nowhere in a violent hurry—in short, as taking cabs and going about.”

4. To cheat or trick.

   “I've been jockeyed into doing work for which I get no credit.”