Crisostomo is a character from the novel "Noli Me Tangere," written by the Filipino author José Rizal. He is the protagonist, known for his idealism and desire for social reform in the Philippines during the Spanish colonial period. His full name is Juan Crisostomo Ibarra, and he returns to his homeland after studying in Europe. Crisostomo's journey highlights the struggles against oppression and injustice faced by Filipinos. He represents the educated class seeking change and is often seen as a symbol of hope for a better future. His character embodies the themes of nationalism and the fight for freedom in Rizal's work.