Mark Twain deals with the problems of slaves and slavery during his period. In The Adventures of Huckleberry Finn, primarily, he shows that blacks can be good human beings, lovable and loving. He tries to advocate that they should be treated as human beings and not as some sub-human species. Jim, a black slave has been shown to be a father figure to Huck, the young hero of the novel. He is also very concerned for Tom, the friend of Huck and the hero of The Adventures of Tom Sawyer.