a horseman - you can see the similarity to English words with related meanings, like cavalier , cavalry , and chivalry , which was the moral code of medieval European knights, who were military horsemen
Normally the highest part of a fort or Castle giving a high vantage point from which to observe the actions of the enemy. It could include embrasures or covered emplacements for cannons. High point - a point from which shots could be fired at both low and high trajectories.
Member of the lowest level of the knightly class, acquiring status and tax exemptions by the ownership of a horse and its use in combat. The caballero villano were members of the class with established households in towns.