My son is 12 (and I was 13 once too) so I know how it is. What you need to do is get your father or mother involved in handgun shooting. Parents will do just about anything for their kids if the interest is sincere enough. If you can get your parents behind you, and get some time to develop marksmanship and muzzle control skills, you'll be in good shape.
Muzzle control, as you probably know from hunter safety class, is vitally important. And it's especially important with handguns because they are easier to handle, and therefore point in the wrong direction.
It is unlikely that you will be able to hunt with a handgun without your parent along, at least that's the way it is in my state.