For 2SLGBTQIA+ topics, your best bet is to consult the Librarian assigned to your subject area or discipline, as this is likely to be the perspective that you will work from.
Pronouns are how we refer to each other in the 3rd person and are the words that serve as a placeholder for someone’s name. Gender pronouns specifically associate gender with the individual who is being referenced or discussed, but there is also a range of gender-neutral pronouns.