It can be used as a adjective or pronoun
Context please.. post a pic of the paragraphs that might say it
Yes the sentence is correctly punctuated
In this passage, Paul is characterized as upset. He is talking back to his father and being disrespectful because he is angry about how he is being treated. He is upset that his father called him his boy instead of his son. He is also upset that his father will not let him make his own decisions about riding other people's horses. Paul is starting to feel more apart from his own family than he ever has before. In the story, Paul is realizing the differences between him and his white family.
Mrs. Putnam gets it into her head that there must be a gigantic conspiracy between the Prince of Darkness and some of the supposedly God-fearing folk of Salem. That's what she means when she says "There are wheels within wheels in this village, and fires within fires!"