Sabo was a high-ranking member of the Revolutionary Army, led by the mysterious leader known only as Dragon. As a member of the army, Sabo was dedicated to overthrowing the oppressive World Government and bringing about a better world for everyone. Over the years, Sabo had risen through the ranks of the army, gaining the respect and loyalty of many of his fellow revolutionaries. He was known for his strategic thinking and his unwavering determination to fight for justice.