Here are some biblical figures who ended their lives in sorrow:
Judas Iscariot (Matthew 27:3-5): After he might have sold Jesus Christ with 30 pieces of silver, he filled with remorse for betraying Jesus, Judas took his own life.
King Saul (1 Samuel 31:3-6): He was Defeated by the Philistines and fearing capture, king Saul fell on his sword and ended his life.
Ahithophel (2 Samuel 17:23): A counselor to King David who joined Absalom's rebellion. When his advice was rejected, Ahithophel took his own life.
Zimri (1 Kings 16:15-20): A king of Israel who usurped the throne. When confronted by Omri, Zimri set the palace on fire, dying in the flames.
These stories serve as cautionary tales about the consequences of sin, disobedience, rebellion, and despair.