You can state this with the connecting word "by." This makes clear how the servant wants God to show covenant faithfulness. Alternate translation: "Show covenant faithfulness to my master Abraham by granting me success today" (See: [[rc://en/ta/man/jit/writing-connectingwords]])
"give me success." The servant wanted to find a good wife for Abraham's son. The abstract noun "success" can be stated as a verb. Alternate translation: "help me to succeed" or "make me able to do what I have come here to do" (See: [[rc://en/ta/man/jit/figs-abstractnouns]])
The abstract noun "faithfulness" can be stated as "faithful." Alternate translation: "be faithful to the covenant you have with my master Abraham" or "be faithful to my master Abraham" (See: [[rc://en/ta/man/jit/figs-abstractnouns]])