Ahitophel
（重定向自Ahithophel）
Ahitophel (Hebrew:אחיתופל; "Brother of Insipidity", or "Impiety") was a counselor of King David and a man greatly renowned for his sagacity. At the time of Absalom's revolt he deserted David (Psalm. 41:9; 55:12–14) and espoused the cause of Absalom (2 Samuel 15:12).