1) Cavalier, because he was trained in the arts of combat by one of the Hellknight orders. To him, this training was at first his first step toward becoming someone who could bring order and justice to his home. Now it represents the change he wishes to bring so that real justice can return, not the mockery that House Thrune calls justice.
2) Lawful Good. He is a true believer in justice and order, not just for the powerful but for everyone. The poorest street urchin should not have to fear for his safety, nor should the richest noble feel free from punishment for his crimes. The world needs justice to truly protect people.
3) He's always been in Kintargo, as he was born here.
4) He spent much of his childhood in the middle class, as the son of a local merchant. He had a few friends among other children that lived nearby and among children of his father's business contacts. He is a fairly normal human and kept a few close friends, even among his former comrades in the Hellknights. As a former Hellknight, he was associated with them for a while though he did not ascend far in their ranks before he quit in disgust over the tyranny that they considered just.
5) His goal in joining the rebellion is to bring back true justice to Kintargo and to help create a place where people don't need to fear the law and the enforcers of said laws. He wants to make a city where people can be happy and safe without being afraid of what might happen if they step over some line arbitrarily made up by some tyrant. His outright disgust at the blatant abuse of power by the latest Thrune governor has finally pushed him from trying to find a way to change the system to desiring to replace the system entirely. His attendance at the protest is just his first step in calling for a change in government, no matter how radical it need to be to protect the people.
6) A slightly battered symbol of Abadar that his father gave him when he left home to join the Hellknights. It's a reminder of his family and their faith that he'll do what is right, no matter what.
7) Fed-Up Citizen, because that's exactly what he is.
8) Sentinel, Strategist, Recruiter, in that order.
9) He likes to try to disable his enemies as quickly as possible. He uses Disarm Maneuvers and later other tricks (likely Sunder and Trip) to try to weaken foes quickly. His dog is trained to act in the same way, biting and dragging down targets to keep them out of the fight. He will also be picking up Cornugon Smash and he will also attempt to Intimidate and demoralize foes he strikes with Power Attack in combat. If anyone continues to fight through this, he hits hard and fast, inflicting as much damage as possible with powerful attacks to disable foes quickly. He saves his challenges for enemy leaders, wanting to face instigators and high value targets with his full might. He tries to coordinate with his allies to allow flanking and pack tactics to trap and disable foes and always fights together with his dog to make the most of their training in paired combat. He will hopefully be martial character who specializes in locking down and tripping up foes to help keep the party safe, then inflicting damage on weakened foes.
