Jockey (noun)

  1. A horse-racing rider.
  2. A person who operates or rides something, especially a machine, vehicle, or aircraft.
  3. A person who manipulates or manages something skilfully or for their own advantage.

Origin:

Late 16th century: from the proper name jock, a nickname for john.

Examples:

  1. The jockey rode his horse to victory.
  2. The pilot was a skilled jockey of the aircraft.
  3. She was a jockey of the stock market, making clever investments.
  4. The jockey controlled the speed of the race car.
  5. The jockey expertly guided the boat through the rough water.
Some random words: winterize, wonky, neuronal