'Servant's' in the Bible

and he said, Behold now, my lords, turn in, I pray you, into your servant's house, and lodge, and wash your feet; and ye shall rise up early, and go on your way. And they said, No; but we will pass the night in the open place.

And yet this hath been a small thing in thy sight, Lord Jehovah; but thou hast spoken also of thy servant's house for a great while to come. And is this the manner of man, Lord Jehovah?

only, I will not rend away all the kingdom: I will give one tribe to thy son, for David my servant's sake, and for Jerusalem's sake which I have chosen.

But I will not take the whole kingdom out of his hand; for I will make him prince all the days of his life for David my servant's sake, whom I chose, who kept my commandments and my statutes;

But Jehovah would not destroy Judah, for David his servant's sake, as he had promised him to give him always a lamp for his sons.

And this hath been a small thing in thy sight, O God; and thou hast spoken of thy servant's house for a great while to come, and hast regarded me according to the rank of a man of high degree, Jehovah Elohim.

Jehovah, for thy servant's sake, and according to thine own heart, hast thou done all this greatness, to make known all these great things.

For Jacob my servant's sake, and Israel mine elect, I have called thee by thy name; I surnamed thee, though thou didst not know me;