Are the tribal helpers part of normal setup, and does the Preacher heal the other characters?

Question

Accepted Answer

The warrior and shaman are optional natives that make the game easier, so treat them as an easy-mode aid, used in the campaign and in Horror Mode when chosen. The Preacher heals only himself.

Robinson Crusoe: Adventures on the Cursed Island

Are the tribal helpers part of normal setup, and does the Preacher heal the other characters?