Charlie Grimm

Hi, I have a new idea for my book “The Ultima” I want to make a nonbinary character so they/them pronouns but I don't know how. I was wondering if you guys could help me. I need ideas for how the other characters will react to them (good and bad) and what they could call them like beautiful, gorgeous, handsome, etc... As I don't know what someone who is nonbinary would prefer.
          
          If you can help thank you 
          If not that's okay too  

Hello, I just found your work  The Ultima. I am looking forward to it. Btw, do you have any social media that can be followed?