Submitted by S on August 30, 2021, at 21:01
That's a pronoun, not a title - you wouldn't address a letter to 'Dear she', either!
Perhaps you could ask them what their title is - or avoid it altogether, and address it to 'Dear A.B. Cee', or 'Dear Aybee Cee'.
Perhaps you could ask them what their title is - or avoid it altogether, and address it to 'Dear A.B. Cee', or 'Dear Aybee Cee'.