To refuse to buy or use a product or service in orther to coerce or punish?

Refusing to buy or use a product or service as a means to coerce or punish is known as a boycott. This action is typically undertaken to express disapproval of a company's practices or policies, aiming to bring about change by impacting their revenue. Boycotts can be organized by individuals or groups and often focus on social, political, or environmental issues. Ultimately, they serve as a tool for consumers to leverage their purchasing power for advocacy.