Chatelain is a French word derived from the Latin term castellanus, which refers to a lord or custodian of a castle or estate. Some synonyms for chatelain include estate manager, castle steward, manor overseer, and land agent. These terms all refer to an individual who is responsible for the upkeep and management of a large property or estate. Other synonyms for chatelain may include governor, administrator, and caretaker, as these words all carry similar connotations of responsibility for the management and maintenance of an estate. Regardless of the specific synonym used, the role of a chatelain is one of great importance and requires a thorough understanding of property management and maintenance.