The term TOXIN FIGHTER can be summarized as a person who uses SERUM to fight toxins. SERUM is a liquid that contains antibodies and other proteins that help the body fight off infections and diseases. It is often used in medical treatments, such as vaccinations, to help the body build immunity against certain illnesses. TOXIN FIGHTERS use SERUM to fight off toxins in the environment, such as pollutants, chemicals, and other hazardous materials. They work to protect people from the harmful effects of these toxins and help keep the environment safe.