Heroes are important figures that can help improve society and individual personalities. The document defines a hero as a man distinguished by exceptional courage, strength and nobility who fights for a cause. There are different types of heroes such as those who change the world, founders of cities, people killed in war, and those who save lives. Key hero attributes include courage, commitment, faith and a strong sense of justice, while main enemies are greed, envy and selfishness. The document also discusses anti-heroes and provides examples, and identifies the greatest hero as one who taught messages of sharing, forgiveness and love.