So I know next to nothing about dealing with Djinn, and recently found myself with one in my keep. I bought a Flourite Sphere from one of my regular shops, and found out once I got home that there was a Djinn living inside of it. He seems to listen pretty well when he gets a little excited and starts messing with things in the house, because he always goes back into the sphere when I tell him to, but I don't know how to tend to a Djinn and I want to make sure he is happy.

Any advice?

Mm make sure he's a djinn, and find out which race of djinn he is. There are suggestions of offerings for djinn in the encyclopedia, that can be helpful.

And don't forget protection and house rules : )