Hobilars (Or hobelars) were light cavalry of the English during the Middle Ages. Honestly I'm always brainstorming for about 5 or more minutes about how to name units, sometimes I feel proud of nomes, most of the times not really, and I think looking up for real troop names can give good results sometimes. Since the unit was going to be light cavalry, and the faction has somethings based on England, I thought hobilar would be a nice name.