Liege

From AmtWiki

What is it?

Lord or Lady, King or Queen even Knight or a Squire; a person to whom fealty is owed. Such as the loyalty that would be owed to some one above you. As a Knight may owe a Monarch or a Vassel may owe the Lord of this estate.

It is also the responsibility of the Liege to provide for those that owe them fealty.