'Teacher' in the Bible

Whereunto I am appointed a preacher, and an apostle, and a teacher of the Gentiles.

And the Lord's slave must not engage in heated disputes but be kind toward all, an apt teacher, patient,

But see that you keep to the teaching you have been given and the things of which you are certain, conscious of who has been your teacher;

proclaim God's message, be zealous in season and out of season; convince, rebuke, encourage, with the utmost patience as a teacher.

For the time will come when people will not tolerate sound doctrine and accurate instruction [that challenges them with God’s truth]; but wanting to have their ears tickled [with something pleasing], they will accumulate for themselves [many] teachers [one after another, chosen] to satisfy their own desires and to support the errors they hold,