John the Baptist was a historically influential Jewish prophet, preacher, and baptizer who ministered amid Roman rule and widespread messianic expectations. The Gospels and Josephus attest to his popularity, repentance-centered baptism, confrontation with Herod Antipas, and execution. Ethiopian Scriptures, the Dead Sea Scrolls, and later traditions provide broader context for his apocalyptic, covenantal, and prophetic message, especially his role preparing for Jesus.