Who were the warriors who protected lord and manor?

The warriors who protected lord and manor during the feudal era were known as knights. These armored cavalrymen pledged loyalty to their lords in exchange for land or benefits, adhering to a code of chivalry that emphasized bravery, honor, and service. Knights were crucial in maintaining the lord's power and safeguarding the estate from external threats, as well as in enforcing the lord's authority over the serfs and peasants. Their role was both military and social, forming the backbone of medieval aristocracy.