How did jack sparrow change on Pirates of the Caribbean curse of the black pearl?

In "Pirates of the Caribbean: The Curse of the Black Pearl," Captain Jack Sparrow evolves from a self-serving and opportunistic pirate primarily focused on recovering his ship, the Black Pearl, to a more complex character who values camaraderie and loyalty. Throughout the film, he forms unexpected alliances, particularly with Will Turner and Elizabeth Swann, which reveal his capacity for friendship and moral ambiguity. By the end, his motivations shift from mere survival and greed to a deeper understanding of honor and sacrifice, showcasing his growth as a character.