boldly-go-where-noone-has-gone-before
"Well obviously we'd have to work to talk to each other and build ties and - one thing we druids know very well is that really understanding different people is hard and takes a lot of dedicated work. So I know it wouldn't be easy! I just want to get to the point where someone on the other side, someone like you, at least says - it's worth trying. That if we can get there, that would be a good thing, and we're going to try."
"And - yeah, some other people I talked to were also confused about what druids were bothered by and what we'd want you not to do in the forest." Which means she's better at explaining this now! Hopefully.
"Hunting is fine, hunting is normal. But if you go into the forest something that lives there might hunt you. That's not going to change; the forest is where those people - uh, those creatures live, it's there for those creatures to live in, just like everyone else. But we'd stop them from going out of the forest and bothering your chickens or your children, and if any did we'd go after it so you didn't have to. There's plenty of room inside the forest, nobody has to leave it to hunt."
"So if you want to go in and gather deadwood or mushrooms or hunt deer, that's fine, except there might be an owlbear or something that tries to eat you. If you want to just stay there for whatever reason, that's fine, except something might attack you or you might step on a poisonous thorn or something, so you'd have better luck finding someone who lives in the forest and wants to host you for a while, but the druids and - everyone who is organized to defend the Forest, we wouldn't harm you and we might try to help you."
"What you mustn't do is try to cut down or burn down a whole part of the forest so you can build more farms or something."
Feather is aware she's describing a radical new kind of relationship between the forest and the outsiders, which many people in the forest might not want to accept. She might not accept it herself, once she's had time to think through the implications! But - getting someone from the outside to agree to some solution other than war or blood tribute, even just in theory, would be a first. Maybe a first step towards something, maybe it will help her think of something better later, or just help her understand what kinds of things the Outsiders will and won't agree to. Because the Forest is still losing the war.