This idiom means that he was in charge of the affairs of the palace household. Alternate translation: "in charge of the palace" (See: [[rc://en/ta/man/translate/figs-idiom]])
Hezekiah's officials tore their clothes as a sign of mourning and distress. The meaning of this can be made clear. Alternate translation: "with their clothes torn because they were extremely distressed" (See: [[rc://en/ta/man/translate/translate-symaction]])