I'll show thee the best springs; I'll pluck thee berries;I'll fish for thee and get thee wood enough.A plague upon the tyrant that I serve!I'll bear him no more sticks, but follow thee,Thou wondrous man.
I was a bit curious as to why he had decided to do something like this yet again, because isn't this what he had done before with the duke? He showed him the land and how to live on it and in return he enslaved him for it, why would he assume Stephano or Trinculo would be different?