The sea is used as a symbol for life and its hardships.
Santiago's hand become a religious symbol in two ways. First, the wounds Santiago suffers on his palms are an obvious connection to Christ, especially his crucifixion.
The Mast symbolize the cross
The waves crashing, the land splitting
The chaotic mess the wind is making
A volcano awakens
The brothers and sisters of natural calamities
The answer is hubris. Hubris is extreme pride or being too self confident. this is what caused the end of antigone.
