Can't you just run another site with exactly the same setup, but globally, and seed it with the foreign users of your forum? I.e, for Nigerians abroad, you setu

Can't you just run another site with exactly the same setup, but globally, and seed it with the foreign users of your forum? I.e, for Nigerians abroad, you setup a craiglist, such that they can get in contact with each other for whatever reason. If you keep it generic enough, it could spill over to the general population and also do well. Of course, it's a lot more admin work for you for a concept that may not take off, but you never know till you try.