Easy is an African-American veteran of World War II living in a time before the black rights movement. The Good Thief is set in mid-1800s America. Ren is a naive 12-year-old orphan who lives in an area with a low standard of living. Each of the character's environment influenced his change in views on friendship, morality, beliefs, and other people. Easy values ​​the friendship significantly due to how often Mouse has come to the rescue and saved him from being killed or placed in immoral situations. After Easy receives the letter from Mouse, he doubts him because Mouse killed his own stepfather. As the plot progresses, Easy gains trust and loyalty towards Mouse that he didn't have before. Along with friendship comes Easy's morality. His morality is maintained throughout the novel. Easy tells himself over and over that “a voice” in his head will keep him on the right path and avoid making morally wrong choices (Mosley 57). He never kills anyone in the novel and does not corrupt his moral standards. However, Ren begins with strong faith and high morals, which fade by the end of the novel. Ren's exposure to people with different morals and faiths forces him to change the way he views life, others, friendship, and himself. Ren surrenders to his environment and agrees to sell corpses and take advantage of both an older woman and her resources. The change in morality or