協賛

1. Origins, structure, and basic meaning

• Structure: 協賛(きょうさん) means supporting an event or project in agreement with its purpose.
• Basic usage: It describes local businesses supporting a festival or sponsors being listed in event information.

2. Common pitfalls and similar expressions

• Organizing and supporting
  • 主催 means taking the lead in organizing an event; 協賛 means supporting its purpose. Sponsorship may include funding or supplies.