What is the heroism theme in the ghost of the lagoon?

In "The Ghost of the Lagoon," the theme of heroism is embodied through the character of a young boy named Mano, who confronts his fears and seeks to prove his bravery. His journey reflects the idea that true heroism is not just about physical strength but also about courage, responsibility, and respect for nature. Mano's encounter with the ghostly shark symbolizes the struggle between man and the unknown, ultimately showcasing his growth as he learns to confront challenges with wisdom and humility. This theme emphasizes that heroism can manifest in various forms, including personal growth and understanding.