This book explores the life and legacy of Abu Dhar Al-Ghifari, one of the most prominent companions of Prophet Muhammad (PBUH). Known for his uncompromising commitment to social justice, truth, and Islamic values, Abu Dhar was a fierce advocate for the poor and oppressed. His life exemplified courage, simplicity, and dedication to the principles of Islam. The book details his role in early Islamic history, his relationship with the Prophet, and his legacy as a champion of equity and moral integrity. It offers readers a deep insight into his teachings, which remain an inspiration for social activism within an Islamic framework.