Why is bartolome de las casas famous?

Bartolomé de las Casas is famous for his role as a Spanish Dominican friar and missionary who advocated for the rights of Indigenous peoples in the Americas during the 16th century. He is known for his outspoken criticism of the mistreatment and brutal exploitation of Native populations by Spanish colonizers, particularly through his writings, such as "A Short Account of the Destruction of the Indies." His efforts contributed to the eventual reforms in colonial policies regarding Indigenous peoples and highlighted the moral and ethical dilemmas of European colonialism. De las Casas is often regarded as one of the first advocates for human rights in the New World.