The term 'Leading Trouble Maker' can be summed up in one word: RINGLEADER. A RINGLEADER is a person who leads or organizes a group of people, often with the intention of causing trouble or disruption. They are usually the most influential and outspoken member of the group, and they often take the lead in planning and executing activities. Ringleaders are often seen as the instigators of chaos and disruption, and they can be found in many different contexts, from political protests to criminal gangs.