Who is Official Who Feeds All the Poor from A Planet Called Treason and what is their importance?

Official Who Feeds All the Poor is one of the many officials whom Lanik visits in order to see the king of Nkumai. After all these visits, which are pointless, he learns there is no king but only Mbwao Mowa, who is the highest official of the land. It turns out that she is not even Nkumai.