1 Samuel 30:15

And David said to him, Canst thou bring me down to this troop? And he said, Swear to me by God, that thou wilt neither put me to death nor deliver me up into the hand of my master, and I will bring thee down to this troop.

Deuteronomy 23:15-16

Thou shalt not hand over to his master a bondman that hath escaped from his master unto thee:

Joshua 2:12

And now, I pray you, swear to me by Jehovah, since I have dealt kindly with you, that ye will also deal kindly with my father's house, and give me a certain sign,

Joshua 9:15

And Joshua made peace with them, and made a covenant with them, to let them live; and the princes of the assembly swore unto them.

Joshua 9:19-20

And all the princes said to all the assembly, We have sworn unto them by Jehovah the God of Israel, and now we may not touch them.

1 Samuel 29:6

And Achish called David, and said to him, As Jehovah liveth, thou art upright, and thy going out and thy coming in with me in the camp is acceptable to me; for I have not found evil in thee since the day of thy coming to me to this day; but thou art not acceptable to the lords.

Ezekiel 17:13

And he took of the king's seed, and made a covenant with him, and brought him under an oath, and he took away the mighty of the land;

Ezekiel 17:16

As I live, saith the Lord Jehovah, verily in the place of the king that made him king, whose oath he despised, and whose covenant he broke, even with him, in the midst of Babylon, shall he die.

Ezekiel 17:19

Therefore thus saith the Lord Jehovah: As I live, verily, mine oath which he hath despised, and my covenant which he hath broken, even it will I recompense upon his 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
Thou shalt not hand over to his master a bondman that hath escaped from his master unto thee: