里子

1. Origins, structure, and basic meaning

• Structure: Spelling: 里子. Reading: さとご. Core meaning: foster child.
• Basic usage: Representative examples: 夫婦は里子を迎える前に研修を受けた / 物語の少年は里子として新しい家庭で暮らし始める.

2. Common pitfalls and similar expressions

• Foster care and adoption
  • 里子 is a child placed with a family for foster care. Distinguish this arrangement from 養子, an adopted child in a legal parent-child relationship.