'Slave' in the Bible

A slave who deals wisely will rule over a child who acts shamefully, and in the midst of brothers he will share his inheritance.

For a fool living in luxury is not fitting, [any] more [than it is] for a slave to rule over princes.

The rich will rule over the poor, and the borrower is a slave of {the lender}.

under a slave when he becomes king, and a fool when he is satisfied [with] food;