The fact that you hold someone's power of attorney does not make you legally responsible for their actions. You are legally responsible for your own actions, of course. If as part of a settlement for the car accident you were supposed to issue a payment from an account of theirs that you have power of attorney over and you don't, you could both be in trouble over that, but the car accident itself would not be your fault.
When he causes the accident
parents
You could be held responsible for any and all damages.
The driver in the end should be responsible.
No
In most states if an obviously intoxicated person continues to be served drinks and causes an automobile accident, the host/server/bartender that continued to serve drinks while knowing the person was obviously intoxicated is partially responsible and can be criminally prosecuted for the accident as well as the drunk person involved in the accident.
Whoever causes the accident.
You hope that the other driver responsible in the crash has insurance that covers uninsured drivers and then you sue your friend!
Some states are different, but in Michigan, the company who insured the car is responsible. They can then go after the uninsured driver Some states are different, but in Michigan the company who insured the car is responsible. They can then go after the driver .
The car that hit you first is responsible for the entire accident. Hopefully he will have enough coverage to pay for the damage to all the vehicles.
The person who causes the accident is at fault
Very simple, the insurance policy follows the vehicle not the driver. In this case, the vehicle insurer will be responsible for all damages.