'Teacher' in the Bible

Whereunto I am ordained a preacher, and an apostle, (I speak the truth in Christ, and lie not;) a teacher of the Gentiles in faith and verity.

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.

An overseer, therefore, must be above reproach, the husband of one wife, self-controlled, sensible, respectable, hospitable, an able teacher,

So teach and exhort. If any one is a teacher of any other kind of doctrine, and refuses assent to wholesome instructions--those of our Lord Jesus Christ--and the teaching that harmonizes with true godliness,