'Faithfulness' in the Bible

I will bring you to the land which I swore to give to Abraham, Isaac, and Jacob (Israel); and I will give it to you as a possession. I am the Lord [you have the promise of My changeless omnipotence and faithfulness].’”

and showing covenant faithfulness to a thousand generations of those who love me and keep my commandments.

The Lord passed by before him and proclaimed: "The Lord, the Lord, the compassionate and gracious God, slow to anger, and abounding in loyal love and faithfulness,