1. Depends on the infrastructure for him to work with.
2. Yes. Unlockables.
3. Yes :D
4. The tired debuff was for you exclusivelly. No housing penalty for settlers at this point, even though it would be logical I'm still thinking about how to implement something here.
5. Unlockables
6. This is a fair point, will add a new section for each player.
7. Yes, they only take 1 week and 1 builder.
8. Only next turn.

Thanks man, glad you're liking it.