Your colleagues should&#x2F;could have played the game. Just sit there, in the cab. Either he takes the payment that they offer or they get to leave. As long as they&#x27;re sitting in the cab, it&#x27;s not making any money.<p>Force him to decide to either take their payment or write off the loss from the ride because he can&#x27;t get any other fares while they&#x27;re occupying the seat. What&#x27;s he going to do? Call the police and tell on himself?