One who is in the enjoyment of a thing. 2. He may be the occupier by virtue of a lawful contract, either express or implied, or without any contract. The occupier is, in general, bound to make the necessary repairs to premises he occupies the cleansing and repairing of drains and sewers, therefore, is prima facie the duty of him who occupies the premises.
OCCUPIER
TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.