Initially Naklian hunted non-sentient creatures to sell their scalps. Noticing his efficiency, he decided to hunt sentient beings too. The goal was selling the scalps; there was a market for Wookiee scalps among Boba Fett-wannabees.
Naklian combined this occupation with his job as Third Prophet of Ni'Shaw-Dak religion. However, the incomes of scalp hunting were destined to the Zulirian Swordmasters while the incomes for being Third Prophet were destined to the Religion.