A renter.... i'm pretty sure thats it...there may be another name for it....
A person who rents an apartment is commonly referred to as a tenant or a renter.
A landlord.
The same way you evict someone who rents an entire house. You go to court, get an order of some sort, give them 30 days, and done. Hopefully, you have a lease, so the process will go a lot smoother.
Landlord.
Ask the Realtor selling the house
Ask to see the permit.
Landlord
call someone
Tenant or renter if there is no lease. Lessee if there is a lease.
Many types of cars are offered when someone rents from Enterprise in Toronto. They have a special version of the Corvette that only has their symbol on it.
an Architect
Call the police