KJV:
And his servant Zimri, captain of half his chariots, conspired against him, as he was in Tirzah, drinking himself drunk in the house of Arza steward of his house in Tirzah.
NASB:
His servant Zimri, commander of half his chariots, conspired against him. Now he was at Tirzah drinking himself drunk in the house of Arza, who was over the household at Tirzah.