What does Okonkwo tell his other sons about Nwoye, and what is Enzima like now that she's older? What is her relationship with Okonkwo?

Ezinma has become one of the great beauties of their people. She has also become a healthy, lively young woman, and none of the children understands Okonkwo's moods better than she. They actually have an understanding relationship. Okonkwo has basically disowned his son. Mr. Brown pays him a visit. He has sent Nwoye, now called Isaac, to the teacher's college at Umaru; Mr. Brown hopes Okonkwo will be pleased by the news. Okonkwo chases Mr. Brown away from his house, threatening the man with violence.