Drawing on extensive research in a marginalized community in Bogotá, Colombia, and informed by engagements with diverse communities from diverse contexts, this book offers a groundbreaking perspective on pluriversal applied linguistics for language teaching and research. Through critical ethnography and decolonial praxis, it challenges binary views of language, advocating for a more inclusive and relational approach to linguistic education. By embracing epistemologies from the Global South, this book unlocks new possibilities for language learning, teaching, and research, fostering a more equitable and socially just future in education.