One with whom one shares a bed.
An associate, often an otherwise improbable one.
One who holds a lease (a tenancy).
One who owns real estate other than via allodial title.
Any of a number of customers serviced through the same instance of an application.
One who holds a feudal tenure in real property.
One who has possession of any place.
To hold as, or be, a tenant.
To inhabit.