Joe

That is my take on the matter also.

But I will say that what my friend was talking about was more than just a job. Once they have voluntarily become slaves, they are slaves in every sense of the word. This doesn't mean that the slave owner is not subject to laws on how they are to treat the slaves.
Also, from what I gather from the conversation, the slave is not free to leave the when they want. Perhaps that is why my friend mentioned seven years.

Tom