Bonded resin for (L) bottom large tooth/reseading gum?
To prevent any (potentially) permanent damage to your ears, you should take your sister's advice and let the ears heal before attempting to put the studs back in. Even if it means your piercings close up and you have to get them re-pierced down the road it's better than risking an infection or permanent damage. As for the lumps, if they do not go away in a few days it's best to consult a doctor. I have a small lump in my right earlobe which is a tiny calcium deposit, but I know they can sometimes be cysts or something worse.
Phones and cameras in schools are not a right. You cannot sue her nor will she be fired. You need to spend more time learning to spell and less time fighting.
Probably not. Sheds are not habitable dwellings and do not meet code as such. They are for storage. Plus, many areas have ordinances and/or zoning with minimum home sizes.