Answer:
Sublease
Step-by-step explanation:
A sublease is the renting of the property again from a tenant that already rented to someone else before but now it is rented to the third party i..e new for the portion of the existed lease contract of the tenant
Since in the given situation, the tenant lease the apartment to the friend. And the monthly rental payment is to be made to the landlord
So this given situation represent the sublease scenario.