You are the representative from the northern water tribe. Throughout the Legend of Korra you and Korra never see eye to eye, you even attack her once. But towards the end of the first season you come to your senses and help Korra figure out who Amon is. You are the Politician. You have the power to sway peoples votes one way or the other. so every night you can pm the name of a player and you will control who they vote for the next day.
You win when all threats to the Avatar are eliminated.