2. The author wants his readers to realize, what time in the decade we were in and what was going on around that time dealing with discrimination. It identifies Jim and Olaf because, it states how Olaf judged Jim so badly just by the way his features were.
3. No reason, his fear of Jim started the hatred. Just because of the person Jim was he called him stuff to boost his self-esteem.
4. Jim doesn’t have to say any words because just of him being the person his is scares Olaf. Also, because he was the only person frightened by Jim
5. He couldn’t reject the sailor