Here is the full list of all 38 Freeman: Guerrilla Warfare achievements.
Possess 5,000,000 Zolties
Possess 1,000,000 Zolties
Accept volunteer troops 5 times
Recruit all available companions
Land 1000 headshots
Construct 50 buildings
Defend your city 5 times
Forge 5 alliances with other nations
Forge 3 alliances with other nations
Reach 500 Reputation
Fully upgrade your Stealing skill
Kill 1000 enemies in total
Reach Level 30
Die 50 times
Lose 50 battles
Plunder 50 times
Reach 300 Reputation
Throw 200 grenades
Fail at stealing 50 times
Steal 50 times
Win 50 battles
Kill 100 enemies with grenades
Fully upgrade your Agility skill
Kill 100 enemies with shotgun
Kill 100 enemies with pistol
Have -200 Reputation
Have -100 Reputation
Have -30 Reputation
Kill 100 enemies with submachine gun
Fully upgrade your Medicine skill
Land 100 headshots
Win 10 battles by yourself
Reach Level 10
Possess 100,000 Zolties
Kill 100 enemies in total
Reach Level 5
Fully upgrade your Intelligence skill
Reach 50 Reputation