Here is the full list of all 41 Outcast - there are Second Contact achievements.
Finish all sub-missions
Finish main mission
Set Shamaz Keb free.
Damage the rift bridge to slow the soldiers down.
Help Zernar fix the boat light by providing a piece of helidium from Motazzar.
Defeat at least 20 soldiers in Motazaar for Ashkar.
Defeat 250 soldiers.
Obtain the Mon in Okasankaar.
Destroy the company of soldiers located in Zorkatraz.
Unlock the wheel to enter the Darosham!
Help Sadar fix his boat using a Zeedog plant.
Obtain the Mon in Okaar.
Complete the organ puzzle in Okaar.
Find the Achondar.
Kill all the gamors in the Okaar arena.
Reach the region of Okaar.
Travel 10 times through Daokas.
Help Heza repair his well.
Reach the region of Motazaar.
Defeat 150 soldiers.
Talk to 25 important Talans.
Achieve the highest level of reputation by helping the Talans.
Defeat more soldiers to convince Zot to stop paying taxes.
Reach the region of Talanzaar.
Find the Mon in Shamazaar.
Reach the region of Okasankaar.
Defeat 10 soldiers using dynamite.
Use dynamite on a chest.
Destroy the four boats in Shamazaar to weaken the soldiers!
Defeat at least 20 soldiers for Maar.
Fill your backpack with over 250 rounds for your UZA-SH1.
Kill the beast in the water behind the temple of Ka.
A worker at one of the temples wants the Yods to clear away the debris.
Find a Shamaz and convince him to heal Ilott.
Deliver a Twon-ha for Zolass.
Kill the gamors far to the east of the village.
Kill 25 Krakits.
Find Shamaz Zeb and speak to him.
Complete all four tests with Jan.
Complete the stealth tutorial in Ranzaar with Jan.
Obtain over 300 rounds for your HK-P12.