Generally, the person is a chauffeur if employed to drive a private or rented vehicle.
A wheelchair.
A Commercial drivers licence is the licence to drive any heavy weight vehicle. You do not need a parent in the vehicle with you when you drive on the streets. Although, you do need a parent present when you get your licence, and they have to sign the papers.
If you allow someone to drive your vehicle without a licence, you could have your licence suspended. It is illegal.
No you cannot drive at all without a licence. If you drive any motor vehicle without a licence you will have your future licence application denied, probably for several years.
You need a caegory C licence if the vehicle is over 7.5 tonnes
When you are chauffeur driven you are taken to a destination in a vehicle being driven by someone else. This person is paid to drive you where you wish to go.
You need the exact same license to drive an electric vehicle as you do to drive a gasoline vehicle on a public roadway.
Anyone can drive in the UK provided they have a full and valid driving licence for the vehicle they wish to drive.
You can't drive any class of vehicle that way. If you don't have the licence, or else a permit and an appropriately licenced driver with you, you can't drive it.
No.
Yes, if the vehicle is roadworthy, they are insured to drive it and hold a full licence.