Here is the full list of all 23 Social Justice Warriors achievements.
Survive the Troll Warlord
Survive 9 trolls without sacrificing your values
Secure the ultimate favor of the Social Justice Bard
Successfully wield all 6 Paladin attacks
Answer all the Social Justice Druid's riddles
Successfully wield all 6 Mage attacks
Successfully wield all 6 Rogue attacks
Achieve great heights, then lose it all
Be remembered as a hero
Secure the ultimate favor of the Social Justice Necromancer
Survive the Monstrous Troll
Secure the ultimate favor of the Social Justice Ranger
Successfully wield all 6 Cleric attacks
Survive the Intellectual Troll
Survive the Popular Troll
Wield the Social Justice Sorcerer's gift
Make the choice
Survive the Troll Assassin
Successfully wield all 6 Champion attacks
Secure the ultimate favor of the Social Justice Sorcerer
...And Can Dual Wield?
It's only impossible until it happens
Everyone loses