How does jean val jean become rich?

Jean Valjean becomes rich primarily through his successful management of a factory after assuming the identity of Monsieur Madeleine. His wealth is further augmented by his entrepreneurial skills and hard work, which lead to the factory’s prosperity. Additionally, he uses his resources to help others, reflecting his transformation from a hardened ex-convict to a compassionate benefactor. His wealth also serves as a means to escape his past and create a new life for himself.