Econ would great and is probably his first choice major. The frat thing is hard to tell. My husband and I went to W&L, and he does seem interested in it as a choice too. But when I ask him about fraternities he isn’t interested, it just doesn’t make sense to him. But I think he’d probably occasionally go to parties, he’s a yes on parties 
. Outdoor clubs, climbing team, a sailing club are all more in his wheelhouse though.