2) has to be patient and teach pupils.
3) A waiter has to be polite and bring orders to people .( ну, я не очень хорошо придумываю предложения,Orders-типо заказы)
4)A farmer has to work a lot and farm vegetables for people.
5) A driver has to be careful and drive carefully.
7) A police officer has to be honest (честный) and do his work carefully.
8) A student has to be hardworking and learn a lot.