villein
The spelling peon is a Spanish term for a poor farmer, serf, or worker.
Serf
The word "serf" means slave and a monk was of the clergy. They were different people with different stations in life.
A legal conflict between a serf living on a manor with another serf is resolved by the Lord of the Manor or by a court system of sherriffs and bailiffs. Before this, conflicts were settled through parties beating each other.
Bedroom Serf
A serf or peasant
I assume you mean "villein," which was a type of medieval serf, as opposed to "villain," which is a bad guy. There is a link below to a related question on the homes of peasants. That answer has a good deal of detail, and has links to related information.
A piece of land granted by one lord to another was called a
A serf or a vassal would be another word for a feudal thrall.
No. Serf does mean slave, but in the middle ages they weren't sold. They could be sent to another holding and made to provide services to another noble, but it was more like they were on loan.
The spelling "pion" is a type of elementary atomic particle (pi meson).The similar word peon is a Latin American term for a serf or tenant farmer.
Go to the page at the related link below, the answer is there.