Special envoy in regular contact with activists, groups
Elvira Schemur died in Kharkiv on March 1
Tamara Argote will represent Bogotá
Country's president said measure violated international treaties
Country's marriage equality law took effect on March 10
Insight Chair Olena Shevchenko is now in Lviv
Angélica Lozano is married to Bogotá Mayor Claudia López
Plaintiff criticized government 'crusade against same-sex marriage'
Measure also defines family as a man and woman with children
Gabriel Boric's Cabinet has two out members
