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