* Sign Language Instructor: This is the most common and general term.
* Sign Language Teacher: This term is also widely used.
* ASL Teacher: Specifically for American Sign Language teachers.
* Deaf Educator: This term is used for teachers who specialize in teaching deaf students, and may or may not include teaching sign language.
You could also use terms like:
* Sign Language Interpreter: This term refers to someone who translates spoken language into sign language, but may not be a teacher.
* Sign Language Tutor: This describes someone who provides individual sign language lessons.
The best term to use will depend on the specific situation and the context of your communication.