'Loyal' in the Bible

Regarding the sons of Barzillai the Gileadite, you shall do loyal love and let them be among those who eat at your table, because they met me when I fled from Absalom your brother.

Then Solomon said, "You have shown great loyal love with your servant David my father, as he walked before you in faithfulness and in righteousness and in uprightness of heart with you. You have shown for him this great loyal love, and you have given a son to him who is sitting on his throne as [it is] this day.

and he said, "O Yahweh, God of Israel, there is no god like you in the heavens above or on the earth beneath, keeping the covenant and the loyal love for your servants who are walking before you with all their heart.