務める

1. Origins, structure, and basic meaning

• Structure: 務める is read as つとめる and is a transitive verb meaning to serve in or perform a role or office such as manager or guide.
• Basic usage: Serving as manager for ten years appears in 十年間店長を務める, while undertaking the role of guide appears in 案内役を務める.

2. Common pitfalls and similar expressions

• Role marked by を
  • The role or office performed is the object in 店長を務める.
• Difference from 勤める
  • It shares a reading with the verb for working at an employer, but this spelling is used for performing a particular role or office.