I haven't fully read it yet, but two things stuck out to me.

The first Central Maxim doesn't quite make sense. As it is, they can't hunt. Which seems to go against trying to be more wild. I'd suggest adding a clause about it being for food along with self defense.

Also, the last Maxim. It seems far too limiting. As it is, even entering farmlands or going on a road would be violating it. It would likely work better to make it so they can't stay in it without need, rather than not enter it. After all, if they aren't civilized, why should they be unable to pass through civilized lands on the way to where they're going. Similarly, if they need to do something there (such as rescue a friend or some such), they should be able to do so without violating it (hence the thing about need, also it would allow for travel through large areas of civilized land to reach a destination).

Those are just my thoughts at least.

Owrtho