Deuteronomy 24:7

If a man is caught kidnapping one of his Israelite brothers, whether he treats him as a slave or sells him, the kidnapper must die. So you must purge the evil from among you.

Note Cited in 1 Corinthians 5:13

If a man be found stealing any of his brethren of the children of Israel, and maketh merchandise of him, or selleth him; then that thief shall die; and thou shalt put evil away from among you.

If a man is found stealing any of his brothers of the children of Israel, and he deals with him as a slave, or sells him, then that thief shall die. So you shall remove the evil from among you.

If a man be found stealing any of his brethren of the children of Israel, and he deal with him as a slave, or sell him; then that thief shall die: so shalt thou put away the evil from the midst of thee.