chastelain
Chastelain is a term with historical significance, primarily referring to a castle keeper or governor in medieval times. The word originates from the Old French "chastel," meaning castle. A chastelain was entrusted with the responsibility of maintaining a castle, its defenses, and the surrounding lands. This often included administrative duties, the collection of rents and taxes, and the dispensing of justice within the castle's jurisdiction. They were appointed by the lord of the castle and acted as their representative.
The role of a chastelain could vary in importance depending on the size and strategic significance of