Oop, these ended up being a little longer than three sentences each, sorry!
1. Unfortunately Aang has been in this position before, and he really, really hates it every time! But for the sake of the refugees he would do his best to take them away from the fray. During their escape, he would look for any possibility of finding them a temporary place of safety so he could return to help his friends, but barring any reasonable opportunities for that, he would resign himself to simply drowning in worry until hearing about the team's fate. And unfortunately probably get real snippy even with the refugees who definitely didn't ask for any of this, because of the weight of the guilt of having left his team behind. After the refugees are safe, he would try to join in any rescue effort that follows.
2. Aang's first instinct would be to try to negotiate with or speak to the leaders of the younger group, because he's accustomed to his council being taken at least a little bit seriously due to his status in his canon world. If (or more likely when, because he's just a goofy looking kid and not The Avatar here) that doesn't work, he would immediately go behind the local authority's back to try and search for any survivors himself/release them if they've been imprisoned, to protect them and help them escape from the immediately dangerous territory. Obviously that would be a Bad Move for the prospects of the team traversing peacefully through said homeland, but he doesn't have much of a head for political machinations yet, sorry team. Even if he found out that like, there was definitely a lot of cruel oppression and maybe the younger group has a reason to be so angry, he wouldn't be able to live with himself just if he just stood by and ignored the slaughter.
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1. Unfortunately Aang has been in this position before, and he really, really hates it every time! But for the sake of the refugees he would do his best to take them away from the fray. During their escape, he would look for any possibility of finding them a temporary place of safety so he could return to help his friends, but barring any reasonable opportunities for that, he would resign himself to simply drowning in worry until hearing about the team's fate. And unfortunately probably get real snippy even with the refugees who definitely didn't ask for any of this, because of the weight of the guilt of having left his team behind. After the refugees are safe, he would try to join in any rescue effort that follows.
2. Aang's first instinct would be to try to negotiate with or speak to the leaders of the younger group, because he's accustomed to his council being taken at least a little bit seriously due to his status in his canon world. If (or more likely when, because he's just a goofy looking kid and not The Avatar here) that doesn't work, he would immediately go behind the local authority's back to try and search for any survivors himself/release them if they've been imprisoned, to protect them and help them escape from the immediately dangerous territory. Obviously that would be a Bad Move for the prospects of the team traversing peacefully through said homeland, but he doesn't have much of a head for political machinations yet, sorry team. Even if he found out that like, there was definitely a lot of cruel oppression and maybe the younger group has a reason to be so angry, he wouldn't be able to live with himself just if he just stood by and ignored the slaughter.