caustic(Noun) Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic. caustic(Noun) The envelope of reflected or refracted rays of light for a given surface or object.
Answered by Aslan. As Atticus has explained to Scout many times about this, He is doing this becasue he values equailty and justice. He believes that everyone is equal and therefore just because Tom Robinson is black, doesn't mean that he should not defend him.e says to Scout many times, if he did not defend this man, he could never tell Jem or her (Scout) not to do something. He has to set a good example for his children and if he expects them to do something or follow certain values, then he must display them first.
Atticus Finch is the father of Scout and Jem, and a lawyer who defends Tom Robinson, a black man being tried for rape. He does this because he feels that not doing so would make him a hypocrite, and his sense of morality tells him that he should try his best to try to save Tom Robinson from unfair prosecution.he trial of Tom Robinson is Jem's first real encounter with injustice, and the realization of its existence drives him into a sullen state. Prior to this, he had viewed the world innocently, thinking of people as one-sided.