probably
Yes they can.
Yes. Your g/f's mom is her legal guardian and can get a restraining order against your regardless of your age. If you violate the restraining order both you and you parents will be legally liable.
18
If you live in the US and girlfriend is a minor, her parents don't need any other reason other than 'I don't want him around my daughter'
Not unless you've done something criminal. If you are guilty of statutory rape they can report you but if they just want to get rid of you they can get a restraining order.
your parents have the restraining order against him so you can still live with him as long as he stays away from your parents.
Of course they can with sufficient grounds.
They can make your girlfriends life miserable and/or obtain a court order against you and your parents.
No you can not I'm afraid. But when you are 18 you can see her if you want and have the restraining order lifted.
Yes, If your parents placed a restraining order while you were under their care but now you are technically an adult through emancipation, you are now considered an adult and can remove the restraining order.
yes they can a restraining order
YES