The answers to following questions about "The king of Mazy" are:
1. How is Walt Masters different for the other boys
Not large. He was short, with manliness in his make-up.
2) How do Walt's efforts to help Loren Hall lead to conflict in the story
Walt's goal in helping loren hall was to get to Dawson before the claim jumpers attacked Hall's property. They try to block his way and chase after walt in dawson with guns.
3) Why do the men of the Yukon call Walt "the King of Mazy May?"
Mazy may was in the territory of Yukon in Canada, a place extremely cold and full of adversities. The fact that walt has gone through all these conflicts to get to dawson and reach his goal, he became known as the king of mazy may by the yokon men.