What were the duties of the feudal lord and the peasant in relation to each other?

Duties of the feudal lord in relation to the peasant: to protect the life and property of the peasants from raids and robberies of robbers, hostile neighbors or an external enemy; monitor the well-being of subjects (availability of tools, housing and food); prevention of disease and death of livestock.
Responsibilities of the peasant: to pay taxes to the feudal lord on time (be it food or money); perform various labor duties; if necessary, gather in the militia for the war under the flag of the feudal lord.