Give it to others or ask friends to help raise it. But the management of university dormitories is not very strict. Please discuss it with your roommate. Just keep it in a cage. Don't let it out, just shovel shit and clean it responsibly and often. If your family is not at home for a short time, you can take care of it. There are pet shops that offer this service at a higher price. If it really doesn't work, buy a self-service water dispenser, automatically feed the grain, press a monitor and keep it at home, but cats really don't like being alone.