Nepal, July 24 -- She paces the side of the darkened highway in central Nepal, just enough light from the trucks roaring past to illuminate her painted face to the men rolling in on rickshaws and motorbikes. She knows that every stranger who pays for her body could end her life. But she also knows their money is the only thing preventing her death.

This spot, littered in condom wrappers and fringed by jungle, is familiar to her. Rubi Lama once came here not as a sex worker, but as an aid worker who helped sex workers.

For nine years, Lama - who is transgender - had devoted her life to conducting HIV outreach in Nepal's marginalized communities, including the LGBTQ+ sex workers who wait by this highway each night. But after the United S...