Absolutely he can do it. He may need to cover some of the material that you've already gone over but he only needs 8 activity pins. I assume you already did Fitness and Citizenship. He'll go camping with you, right? and you've planned to meet with other Troops.
Fitness, Citizenship, Readyman, Outdoorsman, Mental Skill (Scholar), Tech Group (Handyman) and two others. That's just about one a month.