In sections 476 and 477 relating to the prevention of trespassing and squatting, unless the context otherwise requires, the words—
(a) “authorised officer” includes a school principal, teacher, doctor, nurse, administrator, or supervisor of public health facility or crown lands officer;
(b) “land” includes building or other erection;
(c) “proprietor” and “occupier” respectively include any tenant or, lessee, and the attorney or agent of any proprietor or occupier.