2 Kings 23:11 - "... by the chamber of Nathan-melech, the chamberlain, which was in the precincts;"

Esther 1:10 - "... the seven eunuchs who served King Ahasuerus as chamberlains,"

A chamberlain was an officer appointed to look after the personal affairs of a sovereign, in much the same way as a valet or bulter might do, although his duties were somewhat more extensive than those of the modern butler. These duties seem to have been to superintend the palace and attend to royal etiquette, rather in the way of …