Equerry and Postilion

Equerry noun - An official charged with the care of the horses of princes or nobles.

Postilion and equerry are semantically related in rider topic. In some cases you can use "Postilion" instead a noun "Equerry".

Postilion noun - Someone who rides the near horse of a pair in order to guide the horses pulling a carriage (especially a carriage without a coachman).

Equerry and postilion are semantically related in rider topic. You can use "Equerry" instead a noun "Postilion".