👉 A castellan is a type of military officer who served in medieval Europe, often as a knight or nobleman. They were responsible for commanding and organizing troops on behalf of their lords. Castellans also played a role in governance, including managing finances, enforcing laws, and ensuring that the lord's lands were well-run. The term "castellan" comes from the Latin word "constellator," which means "archer." In medieval times, castellans were often knights or nob