会長

1. Origins, structure, and basic meaning

• Structure: 会長 (かいちょう) is the office leading or representing an association. 会長が is the acting officeholder; 会長には is the position filled by election.
• Basic usage: The current chair opens a general meeting; a young woman is selected for the new presidency.

2. Common pitfalls and similar expressions

• Officeholder exercising authority and office filled by election
  • The first sentence shows a person acting through the office; に選ばれた in the second assigns the office to a person. Translation varies between chairperson and president by organization.