Noun
ringleader - Someone who is the main influence or motivator behind a particular action or event, especially a disruptive or controversial one.
The police managed to arrest the ringleader of the gang, who had coordinated the series of robberies across the city.
morale - The overall confidence, spirit, or mood of a person or group, especially during challenging times, with a level of enthusiasm and dedication.
Because everyone blamed her for whatever went wrong in the department, this led to her having low employee morale.