無縁

1. Origins, structure, and basic meaning

• Structure: 無縁 is read as むえん and functions as a noun or adjectival noun for having no tie, relation, or contact with something.
• Basic usage: Direct separation appears in 都会とは無縁, while 無縁ではない indirectly asserts relevance or connection.

2. Common pitfalls and similar expressions

• Difference from 無関係
  • 無関係 directly states factual irrelevance; 無縁 can emphasize lack of personal ties or contact in one’s life.
• Double negative
  • 無縁ではない does not mean unrelated: it stresses that the matter does concern the person or group.