Answer:
The landlord, because payment of property taxes touches and concerns the land
Step-by-step explanation:
Considering the situation described in the question above. It can be concluded that the friend, which in this case is an assignee is considered to be in privity of estate with the lessor, and is responsible for those agreements in the original lease that run with the land.
Hence, the one that would prevail is the "The landlord, because payment of property taxes touches and concerns the land."