The way a person reacts to ordinary situations determines the opinions of others based on their behavior. Yet, when this behavior is abnormal or different from the rest of society, it causes society to form an opinion based totally on a persons behavior not their true personality. In Meursault's case, his strange opinions and unexpected remarks put him in this position, without ever really giving him an opportunity to be truly understood. However, Meursault cannot change his actions and behaviors from the past, therefore making him responsible in the society he freely chooses to live in. Meursault's complete indifference to society and human relationships causes him to appear as the actual "stranger" with those he encounters, which eventually leads to his incarceration and inevitable date with the guillotine. .
Meursault is not really a threat to a society. He is simply does not make the distinctions between good and bad in his own mind. He is neither moral nor immoral. Rather he is amoral. When Raymond asks him to write a letter that will help Raymond torment his mistress, Meursault indifferently agrees because he "didn't have any reason not to." He does not place any value judgment on his act, and writes the letter mainly because he has the time and the ability to do so.(33).
Meursault's guilt plays a large role in the novel as far as his everyday dealings with his attitude about life in general. Meursault feels guilty about not feeling guilty. He knows when he enters a situation such as when his mother died he should have felt guilt and remorse but he did not. Besides that he stopped the director to unscrew the casket and said that he does not want to see the face of her mother last time.(6) Events that would be very significant for most people, such as a marriage proposal or a parent's death, do not matter to him, at least not on a sentimental level. He simply does not care that his mother is dead, or that Marie loves him.