"O Marginal" is a Brazilian novel written by Jeferson Tenório, published in 2019. The story revolves around the life of a young black man living in a marginalized community in Porto Alegre. It explores themes of identity, race, and social inequality, highlighting the struggles faced by those living on the fringes of society. The narrative is told through a mix of prose and poetry, providing a unique perspective on the protagonist's experiences. Through vivid storytelling, "O Marginal" sheds light on the complexities of urban life and the impact of systemic issues on individuals and families in Brazil.