Nangar's trust in you grows. He asks that you take the letter to Sigénik for more instruction. He cannot be gone from the outpost too long or questions will rise.
'Take the letter to Sigénik. He will direct you to someone better equipped to deal with this situation.
'My duties as Elder occupy too much time, and if I were to go missing from my post for too long, there would be questions.
'Thank you for all you did here in Jirush, ${PLAYER}. May we all find the peace we desire.'
Nangar returned the untranslated and translated letters to you with instruction to deliver them to Sigénik. He believes Sigénik is better fit to direct you than he.
Sigénik directed you to climb the crags to the east to find an oasis where the rebels, and their leader Amalíbi. You are to deliver the letters to her.