'Teacher' in the Bible

And of this I became a preacher and an Apostle (what I say is true, not false,) and a teacher of the Gentiles in the true faith.

In my opinion it is right for a woman not to be a teacher, or to have rule over a man, but to be quiet.

The Bishop, then, is to be a man of good name, the husband of one wife, self-controlled, serious-minded, having respect for order, opening his house freely to guests, a ready teacher;