These be fine things, an if they benot sprites.That's a brave god and bears celestial liquor.I will kneel to him.
Caliban viewed them a gods and willing to serve them, putting himself in the same position he was before, the only difference here is that this man he see has done nothing wrong to him. However Caliban might lose the island to them, and then he would put himself back in the same position he was before. So Caliban decision to ask for their assistant seems rather trivial because it would just be stolen from him again.