. How do the various wall paintings mark the development of the plot? How does the painting of the word tout (“informer”) mark the climax of the plot? In what ways does painting over this word resolve the conflicts of the plot? From the wall reader.

The answer is "he was bad enough in all conscience, but the devil himself could not temp him to turn slave-trader. satirical is a synonym for sarcastic. so when the author says that tom walker could not be tempted by the devil he does not literally mean "the devil" but he means that he is too morally upright to become a slave-trader.