Every religion has different believes
I dont think anyone is going to do this for you
The diction of Steinbeck here in apparently describing the dustbowl conditions of the Dirty Thirties is speaking of "tenant men" or presumably men who were tenant farmers perhaps who were allowed to live on the land in return for working it and that they "scuffed" their way home indicates that the dust was so thick they had to scuff but also perhaps that since they could barely make a living under the poor agricultural conditions they did not walk confidently but scuffed.
He chose to die because his creater did not have any sympathy for him and he feels worthless. The moster's creater does not at all want any relationship with his creature.