His name was John, an exxcommunicado and a retired hitman that comes back for revenge. As he was on the Continental Hotel, while just having coffee. As he leave the hotel and walks away with cold expression suddenly some unknown assassins came and attack him, while he was fighting them suddenly one of them get shot and John turns his attention at you

After the fight, he approaches you and take the gun from you and put it on his holster

"From now on, I will be the one who will protect you."