So, who are you, anyway? Or.. So, who are you anyway? Sure the first would be correct though.
Answer:
The fear of appearing foolish to others.
In that part of the story where Phoenix encountered the hunter, Phoenix told the hunter to use his dog to get rid of the other dog, but after a while the hunter returned and turns out he just scared the other dog. Also while he was pointing a gun at Phoenix, he believed what Phoenix said about her having a lot of experiences about that situation, so the hunter showed respect by not doing it.