Ricky "Rikki" Nathanson now works at Casa Ruby
Governments urged to do more to fight epidemic among LGBTI communities
Former president ruled country with an iron fist for 37 years
Robert Mugabe frequently targeted LGBT activists
Group has helped more than 200 LGBT asylum seekers
Advocates laud outgoing U.N. ambassador as āpowerful allyā
Candidate said he would jail Clinton over emails
Institution criticized for response to human rights abuses
Festus Mogae criticized Robert Mugabeās rhetoric
New York Times article āfundamentally misrepresentsā situation