安否

1. Origins, structure, and basic meaning

• Structure: 安否 (あんぴ) is a noun for whether someone is safe and well.
• Basic usage: 家族の安否を確かめる actively checks on family, while 隊員の安否が気遣われる expresses concern for a missing member.

2. Common pitfalls and similar expressions

• Object of checking and subject of concern
  • を確かめる makes well-being the information sought; が気遣われる presents safety as the matter causing concern.