Violent charity is a kind of violent act of charity, to obtain satisfaction at the expense of the dignity of the recipient. Violent charity is a generalization of high-profile ways of doing good. According to the above definition, which of the following phenomena is not violent charity? ['Give a red envelope to the nursing home.', 'Send a cash red envelope after bowing to each recipient.', 'Company leaders require employees to pay money by order.', 'Use huge donation cash barriers to display and display the RMB wall.']