Tenant is a person to whom a landlord grants temporary and exclusive use of land or a part of a building, usually in exchange for rent. The contract for this arrangement is called a lease.
Other definitions for Tenant:
someone who pays rent to use land or a building or a car that is owned by someone else; "the landlord can evict a tenant who doesn't pay the rent"
a holder of buildings or lands by any kind of title (as ownership or lease)
A landlord, or landlady, is the owner of a house, apartment, condominium, or real estate which is rented or leased to an individual or business, who is called the tenant.