يعني به أنه أتى بغير الذي أمر به ووعد الاجر عليه فلا يستحق الاجر وكذلك كل أجير إذا فعل غير الذي استؤجر عليه لم يكن له أجرة.
This means that by performing wudu in a manner different from what has been prescribed, one does not earn the reward that was promised for proper adherence to the ritual. The comparison is made to a worker who does not perform the task they were hired for; they would not receive payment for not fulfilling the terms of their agreement.
