隣人

1. Origins, structure, and basic meaning

• Structure: 隣人, read りんじん, means a person living nearby.
• Basic usage: It is used when asking a neighbor for help during an absence or introducing someone who has moved in nearby.

2. Common pitfalls and similar expressions

• Tone compared with お隣さん
  • お隣さん is a familiar everyday expression for a next-door neighbor. 隣人 describes the relationship in a more objective or written style.