What are the work or duties of a medieval soldier?

Medieval soldiers, often referred to as knights or foot soldiers, were primarily responsible for engaging in battles and protecting their lord's territory. Their duties included training in combat techniques, maintaining weapons and armor, and participating in sieges or defense of castles. Additionally, they might be tasked with scouting, patrolling borders, and enforcing Law and Order in peacetime. Loyalty to their lord and adherence to the chivalric code were also essential aspects of their role.