'Kindness' in the Bible

'And to the sons of Barzillai the Gileadite thou dost do kindness, and they have been among those eating at thy table, for so they drew near unto me in my fleeing from the face of Absalom thy brother.

And Solomon saith, 'Thou hast done with Thy servant David my father great kindness, as he walked before Thee in truth and in righteousness, and in uprightness of heart with Thee, and Thou dost keep for him this great kindness, and dost give to him a son sitting on his throne, as at this day.

and saith, 'Jehovah, God of Israel, there is not a God like Thee, in the heavens above, and on the earth beneath, keeping the covenant and the kindness for Thy servants, those walking before Thee with all their heart,