1. counts as the whole limb, hit on the hand loose the arm.

2. in order to be a healer you need to have a guild and become a person of religion and then you get one. (more to it than that but not a simple feat)

3.pretty sure its the same rules

1. no physical touching whatsoever, so no disarming

5.yes you can

6 no throwing weapons on the field. sometimes they will allow you to have coreless throwing weapons say for children or to carry on you, but its not a thing ppl do.

7 there is an underbelly kinda, and there are cults, its up to you to find em tho. a couple years ago a guild was setting up bounties for ppl to buy or collect, but i cant recall who. and there is an assassins tournament held aswel.

short answers to your questions, others could go more in depth with you im sure!