35 Heb “a stealer of a man,” thus “anyone stealing a man.”
36 The implication is that it would be an Israelite citizen who was kidnapped and sold to a foreign tribe or country (like Joseph). There was always a market for slaves. The crime would be in forcibly taking the individual away from his home and religion and putting him into bondage or death.
37 Literally “and he is found in his hand” ( and both similar), being not yet sold.

In other versions

“Whoever steals a man and sells him, and anyone found in possession of him, shall be put to death.

“Anyone who kidnaps someone is to be put to death, whether the victim has been sold or is still in the kidnapper’s possession.

“Whoever kidnaps a person must be put to death, whether he sells him or the person is found in his possession.

“Kidnappers must be put to death, whether they are caught in possession of their victims or have already sold them as slaves.

“ ‘And whoever kidnaps someone and sells him, or he is found in his possession, he will surely be put to death.

And he that stealeth a man, and selleth him, or if he be found in his hand, he shall surely be put to death.

Public Domain