主人

1. Origins, structure, and basic meaning

• Structure: 主人(しゅじん) can refer to one's own husband or to the proprietor of a shop or inn, depending on context.
• Basic usage: It describes the speaker's own husband leaving home.
  • 主人は毎朝、私より早く家を出る。

2. Common pitfalls and similar expressions

• Husband and proprietor
  • In a family context, 主人 is understood as husband; 宿の主人 refers to the person running an inn.
• One's own family and someone else's
  • 夫(おっと) is a neutral word for one's own husband. ご主人 is also used as a respectful way to refer to someone else's husband.