Correct Option: C

master (Noun) : a person who has people working for him
slave (Noun) : a person who is legally owned by another person and is forced to work for him
surf (Noun) : waves in the sea or ocean, and the white foam that they produce as they fall on the beach, on rocks, etc.
landlord (Noun) : one who is the owner of a building, house, etc.
tenant (Noun) : a person who pays rent for the use of a room, building, land etc. to the person who owns it