Possible Clues:

• MIght one worry about the five hundred that form the nucleus?
• Some officers raced about
• Doctor cared for small group of fighters
• Inner group of activists
• Worry about duke in fighting force
• Cared badly for small group
• Raced (anag) — small inner group of activists
• Caught by publicity about group
• Squad's days in custody
• Specialized military group