The campus is very tolerant, I wouldn’t worry about your safety at all (other than what any kid should worry about). UF is very libertarian, while the city and campus is very liberal. However, you never know how someone will respond, so I understand that concern.
Have you checked out UF’s LGBTQ affairs?
https://lgbtq.multicultural.ufl.edu/
Reach out to Maggie and she can answer some of your questions and point you in the right direction.
Also read the FAQ that’s available.
https://lgbtq.multicultural.ufl.edu/resources/faq/
UF, city seen as welcoming for gay students
http://www.gainesville.com/news/20101010/uf-city-seen-as-welcoming-for-gay-students
Welcome to UF and the Gator Nation!