It's a tricky situation. If you ignore them, they may see it like a chalenge, if you say "NO" to him like you should, they see that also as a chalenge. it's stupid but it's true. You should be more careful now that you're in that list. Just in case why not taking classes of martial arts like Aikido or karate or something like that ? I know some friends (girls) that start taking lessons of self-defence or kickboxing and stuff like that....
You should also try to find out who's the creator of that list. I also agree with sfalexi's post. Above all, don't change your personality, who you're, because of them, if you like to do that nerdy stuff like study or volunteer, do it.
a little off topic, in your country is volunteer a nerdy thing ? Here in Portugal it's not so nerdy, in fact there're a lot of youth people (like me) working in volunteer projects and they're all (ok almost all) great great persons
