As Aaron continues to witness the conversation, he could just sigh as he found the scene stupid.
These two individuals appear to match with their interests, but at the same time not, which made the whole conversation senseless.
But it was just in the case of Aaron. Since he has high standards to consider things that matter, he became ignorant to the fact that these people have their similarities.
The leader, who was shameless enough to ask for a request, has also a strong sense of justice. In fact, inside their tribe, he judges situations fairly as he doesn't one of them feel the unfairness, as what the outside is.
Ellena, who is also kind but cruel to his enemies, has also another personality that has a strong sense of justice. It's not the different personality that has other identities within herself, but an attitude towards others.
This scene right now proves that even you can't connect two lands in between a river, you can still build a bridge that can help both connect.