In several ways. First and most simply, he is unhappy, and his unhappiness does not stem from simply personal roots, but rather from problems in society. Second, he reflects upon his society. This begins in his mind, when he feels himself apart from the rest of the crowd, and continues when he starts his journal. Third, he gains reasons to push back against the society (namely Julia), and this expands his quest into the roots of society. Doing that research is a fourth way; his study of the theories behind the state are essential here. Fifth, his life is fundamentally shaped by this dystopian society, and he lives in such a way as to demonstrate it visibly for us. He is a living example.