God is speaking about himself. Alternate translation: "I, Yahweh, am God, and I am merciful and gracious" (See: [[rc://en/ta/man/translate/figs-123person]])
The abstract nouns "faithfulness" and "trustworthiness" can be stated as "faithful" and "trustworthy." Alternate translation: "always being faithful to my covenant and always being trustworthy" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])