1. As Saber has said, any reason for relocating is good. People come and go in Sacramento often.
2. Do you mean an ASL translator or different languages? I wouldn't build your character concept around being a translator as characters need to speak English. If it suits her concept to know different languages, definitely keep the idea.
3- I'm an all in LGBTQ+ ally, so I approve of using any pronoun applies to your character.
I am at the limit for characters at the moment. So vampire is wait-list until I find an AST. I'll @ you when it opens up.