Cain (Hebrew: קַיִן, Modern: Qáyin, Tiberian: Qáyin) is a figure in the biblical Book of Genesis, where he is introduced as the firstborn son of Adam and Eve. Cain's story is significant as it marks the first instance of murder in the Bible, as he kills his brother Abel out of jealousy. The name "Cain" is often interpreted to mean "acquisition" or "possession," reflecting the biblical narrative where Cain is portrayed as a farmer who tilts the soil, while his brother Abel is a shepherd. In Islamic tradition, Cain is known as Qābīl (Arabic: قَابِيل), and his story is similarly recounted in the Quran, though with some variations. The Cain and Abel narrative has been subject to extensive theological, literary, and artistic interpretation, serving as a foundational story in Western religious and cultural traditions.