He invented a product and sold it to a middleman to sell it to the company where he works without the company knowing

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Ruling on working outside of regular hours for oneself in the workplace
Ruling on teaching man-made laws

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Transferring money via a riba-based bank or via an individual in return for a fee
The government gave them land and their brother paid their fees and took it and some of them agreed to it reluctantly
Working as a sales agent
Ruling on working outside of regular hours for oneself in the workplace
Ruling on teaching man-made laws

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