Think about it. The manor system takes the freedom away from peasents. Now that they are stuck doing dirty work all day, they would have to live to do it. Food and shelter is the answer because you need food to keep doing work and shelter, well I guess to not feel like a slave. There you go. Have a nice day. (Besides the other person is completly wrong)
They had in mind to protect people. There was all types of power sharing that were done to have different groups of power control and balance each one another.
The open air markets in the Eastern Mediterranean are called c. souks. (A souq or souk is an open-air marketplace or commercial quarter in Middle Eastern and North African cities.