For the purpose of this chapter, the following terms shall be defined as:
Any building or structure, or part thereof, used for human habitation, use or occupancy and includes any accessory buildings and appurtenances belonging thereto or usually enjoyed therewith.
Any room or group of rooms, or any part thereof, located within a building to be used for living, sleeping, cooking and eating.
A room or enclosed floor space within a dwelling unit used or designed to be used for living, sleeping, cooking or eating purposes, excluding bathrooms, water closet compartments, laundries, pantries, foyers or corridors, closets and storage spaces.
Any person or persons in actual possession of and living in the building or dwelling unit, including the owner.