反乱

1. Origins, structure, and basic meaning

• Structure: 反乱 (はんらん) combines opposition 反 and disorder 乱 to denote an organized rebellion against authority.
• Basic usage: It describes people rising against a king and a revolt inside a castle being suppressed.

2. Common pitfalls and similar expressions

• Collective revolt rather than individual protest
  • 反乱を起こす involves coordinated resistance to governing power, making it stronger than voicing a personal objection.