This verse lists the name of Ahithophel, a counselor of King David, among David's mighty men. Ahithophel's inclusion in this list highlights his previous esteemed position and influence in David's court. However, it also serves as a reminder of his betrayal of David by siding with Absalom during the rebellion. Despite his initial loyalty and wisdom, Ahithophel's story ultimately serves as a cautionary tale of the consequences of turning against God's anointed leader.