A moral campaigner is someone who advocates for a cause based on ethical principles. They are often referred to as crusaders, and they strive to bring about positive change in society by raising awareness and inspiring action. Moral campaigners often focus on issues such as poverty, human rights, animal welfare, and environmental protection. They use a variety of tactics, including public speaking, lobbying, and organizing protests and rallies. They are passionate about their cause and work hard to make sure their message is heard.