Romans 15,16

Paul greets a long list of faithful friends in the Gospel at the end of Romans and includes this special commendation … to those who have been faithful in endurance. “Many are the afflictions of the righteous, but the Lord delivers him out of them all.” [Ps. 34:19]

We can be faithful BECAUSE God is faithful.  As Christ set an example of faithfulness for us, we can in turn be faithful for those who lean on us and watch our lives.

Faithful and absolutely trustworthy is He who is calling you [to Himself for your salvation], and He will do it [He will fulfill His call by making you holy, guarding you, watching over you, and protecting you as His own]. 1 Thess. 5:24 [Amplified]