Teacher, professor, and instructor are some terms for someone who teaches.
Professor Trelawney teaches Divination, the art of telling the future
the teachers but if you are teaching dance it would be a choreographer aqnd if you are teaching a school subject, you would rather be called a teacher or professor.
Professor Flitwick teaches Charms.
The classes that Professor Chris House teaches at Pennsylvania State University are Earth Science and biology. He teaches science classes at this college.
Professor Sprout
Professer Sprout
professor snape teaches potions but wants the dark arts job until he betrays Hogwarts
The teacher teaches the pupils/students
Jennifer Miller is a professor at The University of Texas at Austin. She teaches both undergraduate and graduate students about geographical statistics.
Professor Henry Higgins is a Speech Professor from the play My Fair Lady. He is a phoneticist and teaches the main character Eliza Doolittle speech so that she becomes a proper lady.
Professor M. Krempe teaches natural philosophy at Ingolstadt University, as described in Mary Shelley's novel "Frankenstein."