Welcome to Gaia! ::

Since larger objects would be prohibitively difficult to move from tree to tree, most 'furniture' would be of the built-in variety. As in, a few crude shelves cut into the wall of the tree, a hollow for storing items, etc. Baskets would also be popular, since they can be hung from nearby branches. It's possible that some Sentinels would bring smaller pieces of wood up to their trees to make shelves and other storage things like that - simple boxes would probably be the most complex furniture they'd use.

In theory, yes. A Sentinel's Will is an analogue for hands, so anything you can do with your hands, they can do with their Will. However, there is a fairly strong taboo against using Will to touch another Sentinel without their consent. That sort of thing would be a last resort. And remember that most combatants are fairly weak-Willed!

Wings are soft and made of feathers, talons are sharp and made of... talons. xD So a Sentinel would use their talons, not their wings. Wings are not used like arms or hands.

As we said, fighting with family isn't something that the rest of Sentinel society would get any more involved in than a fight between any two Sentinels. The members of a family fight might be subject to a little more gossip, but it would depend on the circumstances, the individuals, the witnesses, etc. There are too many variables in a situation like that to set any hard and fast rules.

They weren't invited, so of course they could ask the uninvited Sentinel to leave.

It would depend on the situation. In general, try to think about stuff like this in terms relative to our society. So if I swear at you and you punch me, that's too far. If I punch you and you pull a knife on me, that's too far. If I pull a knife on you, and you pull a gun on me, that's too far. If I start to fight you, and you and your three friends start to--- get the idea?

The best analogy for how the freaks would be treated/thought of would be to consider general sentiment about albinos during the dark ages. At best they became jesters or something that was displayed in a sideshow-like setting. At worst, they were called witches or demons and stoned to death. I'm making gross generalizations here, but you get the idea.

The 'white sickness' is something that has gotten a lot of beak-time recently since Odd and Dodger are both alive and kicking, but there's no official name for it or description of the illness, etc. I'd say it's more like a folktale and gossip fodder. Actually, it'd be really interesting to have some sort of bard song/story about how the first all-white or patchy Sentinels came to be... hm.

As for cross-type stuff, hm. Many Sentinels would probably assume that things like the white patches could be due to impure blood, and they'd say the same about dead-in-shell eggs and other such problems. So the basic reason that most Sentinels have to be against cross-type pairings is the belief (as erroneous as it might be) that the offspring will be inherently weaker. Most slurs would have to do with being impure, weak, etc. Sentinels are pretty creative when it comes to cussing, so feel free to explore the possibilities!