Return to Farmhand Bo at Westwind Rest in Kun-Lai Summit.
Well, far as I figure, we've got quite a lot of rebuildin' to do.
I'm not one for joining any big causes, but my farmhands aren't gonna have much to do 'round here, to be honest. And, since you helped them out, they want to join your "Alliance." So, who am I to stop 'em?
Bring 'em with you, back to Farmhand Bo. I'll miss 'em, but they're better off with you.