'Hostages' in the Bible

He seized all the gold and silver and all the utensils found in the house (temple) of the Lord and in the treasuries of the king’s house, as well as hostages, and returned to Samaria.

He took all the gold and silver and all the utensils which were found in the house of God with [the doorkeeper] Obed-edom, and the treasures of the king’s house (palace), and the hostages, and returned to Samaria.