'Rich' in the Bible

“You must not act unjustly when deciding a case. Do not be partial to the poor or give preference to the rich; judge your neighbor fairly.

If a person doesn't have a kinsman redeemer, but has become rich and found sufficient means for his redemption,

And if a sojourner or stranger wax rich by thee, and thy brother that dwelleth by him wax poor, and sell himself unto the stranger or sojourner by thee, or to the stock of the stranger's family:

His uncle or his uncle's son may redeem him or any blood relative from his tribe may redeem him. If he becomes rich, then he may redeem himself.