Obligations of each Class...
King: Owned all of the land. Granted some of the land to his supporters (nobles, lords, etc.) and in turn received knights, money, advice, and an extra home while on the road.
Nobles: Provided soldiers, money, advice, and an extra home for the king. Also, Lords got Knights of their own which swore complete allegiance to the king. Provided the knights with a manor as well. Also, used peasants to work the land without pay.
Knights: Enforced the laws of the land and were warriors for war when needed to be.
Peasants: Worked for no pay on the land of the lords. Sometimes, were given some land of their own but were not aloud to sell it and had to pay taxes. Often times, taxes were paid with animals due to the fact they did not get paid.
Nobles: Provided soldiers, money, advice, and an extra home for the king. Also, Lords got Knights of their own which swore complete allegiance to the king. Provided the knights with a manor as well. Also, used peasants to work the land without pay.
Knights: Enforced the laws of the land and were warriors for war when needed to be.
Peasants: Worked for no pay on the land of the lords. Sometimes, were given some land of their own but were not aloud to sell it and had to pay taxes. Often times, taxes were paid with animals due to the fact they did not get paid.