The former secretary of State, who famously told the U.N. that "gay rights are human rights," is being mentioned for that position.
While Trump noted efforts to decriminalize being gay around the world, activists pointed out everything he's done to harm LGBTQ people.
U.S. diplomats are urging deletion of references to gender in human rights documents.
Marriage is now a condition for obtaining a spousal visa, which could create huge problems for those from homophobic countries.
António Guterres is the first U.N. secretary-general to address the body’s LGBTI Core Group.
It was one of many causes supported by the former U.N. secretary-general, who died Saturday at age 80.
The move will make it harder to advance rights for LGBT people and other marginalized populations around the world, activists say.