'Faithful Witness' in the Bible

It shall be established forever like the moon, and like a faithful witness in the heavens. Selah.

A faithful witness will not lie, but a false witness will speak lies.

And I took to myself faithful witnesses to record, Uriah the priest and Zechariah the son of Jeberechiah.

And they said to Jeremiah, Let Jehovah be a true and faithful witness between us if we do not do even according to all things for which Jehovah your God shall send you to us.

even from Jesus Christ the faithful Witness, the First-born from the dead and the Ruler of the kings of the earth. To Him who loved us and washed us from our sins in His own blood,