He and his species were forced into exile by the Yuuzhan Vong. Pacifistic by nature, he would not condone a military assault on the invaders. Even after the system was freed, he and his people stayed on the planet Novus Kamino Prime.
He joined Nat-ahn Mandrex's forces, not caring if he was the true savior or not.
He was pardoned and rejoined the colony after the Great Schism.