A Man Called Horse: John Horse and the Black Seminole Underground RailroadJohn Horse (c. 1812 1882, also known as Juan Caballo) was a famed chief, warrior, tactician, and diplomat who played a dominant role in Black Seminole affairs for half a century. His story is central to that of the Black Seminolesdescendants of Seminole Indians, free Blacks, and escaped slaves who formed an alliance in Spanish Florida. A political and military leader of mixed Seminole and African heritage, Horse defended his people from the US