A tenant staying beyond the end of a 1-year lease end date without permission would be referred to as:

A tenant who remains in a rental property beyond the specified end of their lease without the landlord's permission is referred to as a "holdover" tenant. This term is used to describe a situation where the lease has expired, but the tenant continues to occupy the property.

In the context of property management and landlord-tenant law, a holdover tenant may create specific legal rights and obligations for both the tenant and the landlord. The landlord may choose to accept the holdover arrangement, which can lead to a new tenancy that is typically disruptive to the original leasing terms. Alternatively, landlords may initiate legal action to evict the tenant for staying without permission.

Understanding the concept of a holdover tenant is vital for property managers and landlords, as it directly impacts lease agreements, tenant rights, and eviction processes. It differs from other terms such as "evicted," which refers to a legal process of removing a tenant, and "tenancy at will," which indicates a type of rental agreement without a fixed term. "Lease for years" refers to a lease with a specified duration, which is already past in the case of a holdover tenant.