King David is a significant figure in the Bible, known for his bravery and leadership. He started as a young shepherd and gained fame by defeating the giant Goliath with just a sling and a stone. David became the second king of Israel and is celebrated for uniting the tribes and establishing Jerusalem as the capital. David is also remembered for his deep faith and poetic talent, as he is traditionally credited with writing many of the Psalms. His life was marked by triumphs and challenges, including personal struggles and conflicts, but he is often seen as a model of repentance and devotion to God.