'Teachers' in the Bible

"Beware of the false teachers--men who come to you in sheep's fleeces, but beneath that disguise they are ravenous wolves.

Leave them alone; they are blind guides [leading blind followers]. If a blind man leads a blind man, both will fall into a pit.”

Nor are you to be called "Teachers,' because you have only one teacher, the Messiah!

“Therefore, take notice, I am sending you prophets and wise men [interpreters, teachers] and scribes [men educated in the Mosaic Law and the writings of the prophets]; some of them you will kill and even crucify, and some you will flog in your synagogues, and pursue and persecute from city to city,