Definitions

1. noun

A person or organization that has the power or authority to order or command others to do something, especially in an official or formal capacity.

“The mandator of the conference was responsible for finalizing the agenda for the meeting.”

2. noun

In medieval and feudal law, a lord who has the right to nominate a vassal or a knight to a certain position or office, often in exchange for military service or other forms of loyalty.

“The mandator had the power to appoint his chosen knight to the position of castellan of the castle.”