This refers to how Yahweh took care of Joseph and was kind to him. Alternate translation: "But Yahweh was kind to Joseph" or "But Yahweh took care of Joseph" (See: [[rc://en/ta/man/translate/figs-idiom]])
The abstract noun "faithfulness" can be stated as "faithful" or "faithfully." Alternate translation: "was faithful to his covenant with him" or "faithfully loved him" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])
This means Yahweh caused the prison warden to approve of Joseph and to treat him well. Alternate translation: "Yahweh caused the prison warden to be pleased with Joseph" (See: [[rc://en/ta/man/translate/figs-idiom]])