Dar es Salaam, May 28 -- WELCOME to the village of Polepole, where on one fine evening in the village of Polepole, a group of men sip traditional brew as they exchange banter rich with meaning only they can appreciate. Within this trusted circle, friendship and mutual respect create a sense of peace.

Here, lifes challenges can be shared without fear of judgment. Time passes easily and they know instinctively when it is time to go home. They leave content, anticipating a sumptuous dinner at home, a peaceful sleep, and a tomorrow worth looking forward to.

About a kilometre away, two young lovebirds walk slowly side by side. Occasionally their hands brush just for a moment. Sometimes their eyes meet, lock, communicating something that only...