My "knee jerk reaction is - "Yes, this is against NYS Wage and Hour Laws. But then I read the Law and it applies only to RNs and LPNs. I am not putting you off. Let me do some research.
I find this shocking!
EDIT: The Law depends on many factors, such as are there other household "employees," are you considered live-in? https://regs.health.ny.gov/volume-c-title-18/9748687/section-50514-personal-care-services The law is too lengthy to quote here. I hope you can wade your way through it.
My husband was an invalid for about 5 years before his death. I don't know how "we" would have survived without personal care aids, and I do know they were poorly paid and over scheduled.
SECOND EDIT: Concerning your landlord's demand that you sign a "contract" that he is not responsible for accidents/injuries on the property you rent from him, this type of paper is NOT legally binding. In NYS (and I'm in NYS) you CANNOT waive your right to sue. This is no different from me asking you to sign a paper that if you're a passenger in my car and there's an accident you cannot or won't sue. Highly illegal. You cannot waive your right to sue. Could the landlord evict you for some other reason if you don't have a lease? Yes. HOWEVER, I would ask Legal Aid for help. They will run over the top of him like a steamroller.