If you're liscensed, and have permission from the person under which the car is insured, you are able to drive the car if it is insured even if you yourself are not insured
We need to know what he's insured for. If he's insured to drive the car, then yes. If he's insured with life insurance, then no. But normally it's the car that carries the insurance.
They are insured as passengers they are not insured to drive it
Is the CAR insured? If not, it's not legal.
Insurance follows the car, not the driver. As long as the car is insured and you have permission from the owner to drive it, you are covered.
You have to be eighteen to drive a car
There is no such thing as learner insurance. Any vehicle you wish to drive must be insured if mandated by law in your State, Province, etc.
The car is insured not the driver however many policies have restrictions as to who may drive the insured vehicle.
If youare properly insured and licensed to drive, and you have your friends permission then yes, you can drive their car.
In the UK, if you are insured fully comp for your own vehicle you are covered to drive any vehicle for third party damages, unless your policy states otherwise. Some policies allow you to drive any other vehicle fully comp. Check your policy.
The answer is "it depends." I know of no insurance companies that issue policies "to drive any vehicle" ... automobile insurance, at least in the USA, is based on the car being driven. In that case, the insurance is actually on the automobile, not on the driver. Therefore, an uninsured car would not be insured regardless of the driver. There may be exceptions, depending on the underwriter and the particular policy involved.
If the car you are driving is insured then you are not driving without insurance.