Ricky 'Rikki' Nathanson arrested for using women's restroom in 2014
Country's first post-colonial leader targeted LGBTI Zimbabweans
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 ‘powerful ally’
Candidate said he would jail Clinton over emails
Institution criticized for response to human rights abuses
