You have mixed feelings because you are human and a decent person.
You cannot take care of him. If he is in jail awaiting trial, I can only assume thee is a reason for that and he must face the consequences of his own actions.
But the first thing is to take care of yourself. Just my thoughts.
Prince Zuko: [looking at a map] How am I going to find the Avatar? He is clearly a master of evasive maneuvering.
Sokka: [cut to him, looking at the same map] You have no idea where you're going, do you?