The term LIFE LEADER can be summarized as a person who is responsible for guiding and directing the lives of others. The crossword solution for this term is BIO, which stands for biographer or biography. A biographer is someone who writes the LIFE story of another person, while a biography is an account of someone's LIFE written by another person. A LIFE LEADER is someone who is responsible for providing guidance and direction to others in their lives, whether it be through writing a biography or providing advice and support.