seneschal
noun
sen·e·schal ˈse-nə-shəl 
: an agent or steward in charge of a lord's estate in feudal times
Example Sentences
Recent Examples on the Web Eventually, he would be appointed royal seneschal and become a close advisor of the king’s. 
Anne Thériault, Longreads, 3 July 2018
Anne Thériault, Longreads, 3 July 2018 Word History
Etymology
Middle English, from Anglo-French, of Germanic origin; akin to Goth sineigs old and to Old High German scalc servant — more at senior
First Known Use
14th century, in the meaning defined above