horseman

noun8

1. •
   A man who rides a horse.
2. •
   A soldier on horseback, especially a cavalryman.

   • A thousand Persean horsemen are at hand, Sent from the King to ouercome vs all. — 1587
3. •
   A man skilled in horsemanship, especially an equestrian.
4. •
   A fictional beast that is part horse and part man.
5. •
   (UK, no longer used) A man in charge of work horses; a teamster.
6. •
   (UK, no longer used) A man in charge of transport horses; a hostler (ostler).
7. •
   (no longer used) Any of the swift-running land crabs of the genus Ocypode.
8. •
   (no longer used) Any fish of the genus Equetus.