"El Filibusterismo" is a novel written by Filipino author José Rizal and published in 1891. It serves as a sequel to his earlier work, Noli Me Tangere, and explores themes of social injustice, corruption, and the struggle for freedom in the Philippines during Spanish colonial rule. The story follows the character Simoun, a wealthy jeweler who seeks revenge against the oppressive government. The novel highlights the plight of the Filipino people and critiques the abuses of power by both the Spanish authorities and the Catholic Church. Through its characters and plot, "El Filibusterismo" calls for reform and inspires a sense of nationalism among Filipinos, ultimately contributing to the movement for independence.