歴任

1. Origins, structure, and basic meaning

• Structure: 歴任 is read as れきにん and means “to serve successively” and “to hold various posts”.
• Basic usage: It describes one person successively holding management posts or committee positions.

2. Common pitfalls and similar expressions

• Key distinction: 支店長や本部長を歴任する
  • It means holding multiple posts in succession, not merely serving in one. The offices are listed as in 支店長や本部長を歴任する.