所属

1. Origins, structure, and basic meaning

• Structure: 所属（しょぞく） means belonging to a group or organization as a member.
• Basic usage: Mark the organization with に, as in 団体に所属する.

2. Common pitfalls and similar expressions

• Affiliation versus participation
  • 所属 is a relationship of belonging; 参加 is the act of taking part in an event or activity. Someone can attend an event held by a group they do not belong to.