At the range, it's very hard to beat
Savage 287 MKIIFV 22LR AT HB $192. with a scope. Practice, practice, practice. While you're there, strike up conversations and you'll get a lot of offers from others to try their guns. Take them up on their offers, and gain experience. He'll have a much better idea of what he can tolerate, and will be a much more experienced marksman.
Check out
Project Appleseed | Project Appleseed as well.
Shooting a lightweight hunting rifle at the range isn't much fun, and gets expensive in a hurry. Shooting a .22lr at the range is a lot of fun, lots less expensive, and will develop shooting skills. Get good with a .22lr at 50-100 yards and you'll be good with a deer rifle at twice that.