'Faithful' in the Bible

That I gave my brother Hanani, and Hananiah the ruler of the palace, charge over Jerusalem: for he was a faithful man, and feared God above many.

And foundest his heart faithful before thee, and madest a covenant with him to give the land of the Canaanites, the Hittites, the Amorites, and the Perizzites, and the Jebusites, and the Girgashites, to give it, I say, to his seed, and hast performed thy words; for thou art righteous:

And I made treasurers over the treasuries, Shelemiah the priest, and Zadok the scribe, and of the Levites, Pedaiah: and next to them was Hanan the son of Zaccur, the son of Mattaniah: for they were counted faithful, and their office was to distribute unto their brethren.