a person deprived of all rights and means of production and who is the full property of the owner-master, who controls his work and life 
a person deprived of all rights and means of production and who is the full property of the owner-master, who controls his work and life --v 4
a person deprived of all rights and means of production and who is the full property of the owner-master, who controls his work and life
a man sitting at a desk writing in a book
an old man wearing a hat and goggles in front of a factory
a man holding a box in a dark alley
a man with a beard is writing on a piece of paper