Psalm 105:17

He hath sent before them a man, For a servant hath Joseph been sold.

Acts 7:9

and the patriarchs, having been moved with jealousy, sold Joseph to Egypt, and God was with him,

Genesis 37:36

And the Medanites have sold him unto Egypt, to Potiphar, a eunuch of Pharaoh, head of the executioners.

Genesis 50:20

As for you, ye devised against me evil -- God devised it for good, in order to do as at this day, to keep alive a numerous people;

Genesis 37:27-28

Come, and we sell him to the Ishmaelites, and our hands are not on him, for he is our brother -- our flesh;' and his brethren hearken.

Genesis 39:1

And Joseph hath been brought down to Egypt, and Potiphar, a eunuch of Pharaoh, head of the executioners, an Egyptian man, buyeth him out of the hands of the Ishmaelites who have brought him thither.

Genesis 45:4-5

And Joseph saith unto his brethren, 'Come nigh unto me, I pray you,' and they come nigh; and he saith, 'I am Joseph, your brother, whom ye sold into Egypt;

Genesis 45:7-8

and God sendeth me before you, to place of you a remnant in the land, and to give life to you by a great escape;

Treasury of Scripture Knowledge

Summary

He sent a man before them, even Joseph, who was sold for a servant:

General references

Bible References

He sent

Genesis 45:5
and now, be not grieved, nor let it be displeasing in your eyes that ye sold me hither, for to preserve life hath God sent me before you.
Genesis 50:20
As for you, ye devised against me evil -- God devised it for good, in order to do as at this day, to keep alive a numerous people;

Joseph

Genesis 37:27
Come, and we sell him to the Ishmaelites, and our hands are not on him, for he is our brother -- our flesh;' and his brethren hearken.
Genesis 39:1
And Joseph hath been brought down to Egypt, and Potiphar, a eunuch of Pharaoh, head of the executioners, an Egyptian man, buyeth him out of the hands of the Ishmaelites who have brought him thither.
Genesis 45:4
And Joseph saith unto his brethren, 'Come nigh unto me, I pray you,' and they come nigh; and he saith, 'I am Joseph, your brother, whom ye sold into Egypt;
Acts 7:9
and the patriarchs, having been moved with jealousy, sold Joseph to Egypt, and God was with him,

General references

Acts 5:19
and a messenger of the Lord through the night opened the doors of the prison, having also brought them forth, he said,