The abstract nouns "love" and "faithfulness" can be stated with the verb "love" and the adjective "faithful." Also, you could state explicitly how they could show the "steadfast love and faithfulness." Alternate translation: "tell me if you will love my master and be faithful to him by giving Rebekah to be his son's wife" (See: [[rc://en/ta/man/translate/figs-abstractnouns]] and [[rc://en/ta/man/translate/figs-explicit]])
The understood information can be stated clearly. Alternate translation: "But if you are not prepared to treat my master with steadfast love and faithfulness" (See: [[rc://en/ta/man/translate/figs-ellipsis]])
Possible meanings are 1) deciding what to do is spoken of as if the person will physically turn one direction or another. Alternate translation: "so that I will know what do" or 2) the servant wants to know if he needs to travel somewhere else. Alternate translation: "so that I may continue on my journey" (See: [[rc://en/ta/man/translate/figs-metaphor]] and [[rc://en/ta/man/translate/figs-idiom]])