Which characters seem related to a possible theme which characters change and what do those changes suggest about cultural and personal identity?

In "Les Misérables," characters such as Jean Valjean and Javert undergo significant changes that reflect themes of redemption and justice. Valjean's transformation from a hardened criminal to a compassionate man highlights the power of personal growth and redemption. Javert's shift from strict adherence to the law to a moral dilemma challenges the notion of fixed identity and raises questions about the impact of societal expectations on personal beliefs.