Under this Part 1, the following terms shall have the following meanings:
Any natural person, association, firm or corporation who grants a lease, written or oral, or rents real estate to another for dwelling purposes.
Any natural person, association, firm or corporation. The singular shall mean the plural, and the masculine shall include the feminine.
Includes, but is not limited to, single-family dwelling units, multifamily units, apartments, townhouses and mobile home sites.