Who is Namontack in the novel, Blood on the River?

Fourteen-year-old Namontack is the young Powhatan man, who comes to live in the colony for a time. He gives Samuel the Native American perspective on the colony and their lifestyle. Namontack leter travels to England as Chief Powhatan's spy and meets King James. He returns speaking English, but he remains unimpressed with the English way of life and its leaders.