'Faithful' in the Bible

But My faithful love will never leave him as I removed it from Saul; I removed him from your way.

I am a peaceful person, one of the faithful in Israel, but you’re trying to destroy a city that is like a mother in Israel. Why would you devour the Lord’s inheritance?”

With the faithfulYou prove Yourself faithful;with the blameless manYou prove Yourself blameless;