...to serve the king, acknowledge him as his liege lord and to help him defend the Realm when called upon.
The lord promised to support the king militarily and obey the him.
He promised to fight for the king and serve him.
He promised to fight for the king and serve him.
He promised to fight for the king and serve him.
He promised to fight for the king and serve him.
He promised to fight for the king and serve him.
A vassal.
Fiefs were portions of lands granted to nobles by the king. The king required loyalty, protection, and service for this land.
fight for the king and serve them 2nd Answer: To expand that a bit, when a greater noble (was not always a king) granted land to a vassal the vassal could take on a number of responsibilities, including military service, hospitality for the lord and his servants, attendance of the lord's court to give advice and council, and participation in the lord's entourage. In the later middle ages the demands for physical military service could sometimes be converted to a monetary payment. This was known as scutage.
Under the feudal system, a piece of land granted by the king to a lord or other noble was known as a fief. The noble would then tithe a portion of the income from the land to the king.
a landlord
a landlord