随員

1. Origins, structure, and basic meaning

• Structure: 随員, read ずいいん, denotes an attendant or aide accompanying a representative on an official mission.
• Basic usage: It identifies an aide carrying delegation materials or entering a building with an ambassador.

2. Common pitfalls and similar expressions

• An accompanying member of a delegation
  • It is an aide who accompanies and supports a representative on an official visit or mission.