1 Samuel 30:15

David said to him, "Will you bring me down to this troop?" He said, "Swear to me by God that you will neither kill me, nor deliver me up into the hands of my master, and I will bring you down to this troop."

Deuteronomy 23:15-16

You shall not deliver to his master a servant who is escaped from his master to you:

Joshua 2:12

Now therefore, please swear to me by the LORD, since I have dealt kindly with you, that you also will deal kindly with my father's house, and give me a true token;

Joshua 9:15

Joshua made peace with them, and made a covenant with them, to let them live. The leaders of the congregation swore to them.

Joshua 9:19-20

But all the leaders said to all the congregation, "We have sworn to them by the LORD, the God of Israel; and now therefore we may not touch them.

1 Samuel 29:6

Then Achish called David, and said to him, "As the LORD lives, you have been upright, and your going out and your coming in with me in the army is good in my sight; for I have not found evil in you since the day of your coming to me to this day. Nevertheless, the lords do not favor you.

Ezekiel 17:13

and he took of the royal family, and made a covenant with him; he also brought him under an oath, and took away the mighty of the land;

Ezekiel 17:16

"'As I live,' says the Lord GOD, 'surely in the place where the king dwells who made him king, whose oath he despised, and whose covenant he broke, even with him in the midst of Babylon he shall die.

Ezekiel 17:19

"Therefore thus says the Lord GOD: 'As I live, surely my oath that he has despised, and my covenant that he has broken, I will even bring it on his own head.

Treasury of Scripture Knowledge

Summary

And David said to him, Canst thou bring me down to this company? And he said, Swear unto me by God, that thou wilt neither kill me, nor deliver me into the hands of my master, and I will bring thee down to this company.

Nor deliver

Bible References

Nor deliver

Deuteronomy 23:15
You shall not deliver to his master a servant who is escaped from his master to you: