Should Stoics Be Concerned About Others?

In a 6-week online course on Epictetus I'm presently teaching though my company, ReasonIO, I got asked a question that keeps popping up, quite naturally, when we're considering Stoic Ethics.  I'm also in the process of consolidating and rewriting posts from my other blogs into pieces here in Orexis Dianoētikē. Here's a piece originally published in Virtue Ethics Digest that frames and addresses those general concerns - Should a Stoic be concerned about (non-)Stoic others? And further, ho...