member

1. Origins, structure, and basic meaning

• Structure: 員 denotes a person belonging to a group and is read いん.
• Basic usage: 全員, read ぜんいん, means all members; 定員, read ていいん, means capacity or maximum enrollment.

2. Common pitfalls and similar expressions

• Everyone and a set number of places
  • 参加者全員 refers to everyone participating. The expression alone does not specify how many participants there are.
  • 定員に達した means that enrollment reached capacity. Unlike saying that everyone gathered, it focuses on the limit on available places.