Definition: "Biharu" is a term in Indonesian that translates to "military officer" or "junior military officer." It refers to any person who holds a rank below the rank of captain, which is the highest rank within the Indonesian Armed Forces. In general, these individuals are typically attached to the military's elite units and serve as advisors or field commanders. They may also be part of the cadre of junior officers in the Indonesian Army, Navy, and Air Force.