'Faithful' in the Bible

And I thank him who enabled me, Christ Jesus our Lord, because he counted me faithful, appointing me to service;

The saying is faithful and worthy of all acceptance, that Christ Jesus came into the world to save sinners; of whom I am chief.

This is a faithful saying: if a man seeks the office of an overseer, he desires a good work.

Their wives in the same way must be reverent, not slanderers, temperate, faithful in all things.

This saying is faithful and worthy of all acceptance.