専任

1. Origins, structure, and basic meaning

• Structure: Spelling: 専任. Reading: せんにん. Core meaning: full-time; dedicated.
• Basic usage: Representative examples: 展示室には専任の案内係がいる / 彼女は来月から研修を担当する専任職員になる.

2. Common pitfalls and similar expressions

• Exclusive assignment
  • 専任 describes a position dedicated to a particular duty. Unlike 兼任, which involves holding roles concurrently, it emphasizes concentration on one assigned role.