Boromir is a fictional character from J.R.R. Tolkien's epic fantasy novel, The Lord of the Rings. He is the eldest son of Denethor, the Steward of Gondor, and a member of the Fellowship of the Ring. Boromir is known for his bravery and strong sense of duty, but he struggles with the temptation of the One Ring. Throughout the story, Boromir's desire to use the Ring to protect his city leads to conflict within the Fellowship. His character arc explores themes of honor, sacrifice, and redemption, ultimately culminating in his heroic defense of his companions against overwhelming odds.