清掃員

1. Origins, structure, and basic meaning

• Structure: 清掃員, read せいそういん, means a person whose work is cleaning.
• Basic usage: It refers to staff who clean building corridors or keep park facilities clean.
  • 清掃員が開館前の廊下を磨いていた。

2. Common pitfalls and similar expressions

• Duties compared with 管理人
  • 清掃員 specifies cleaning work, while 管理人 refers to someone responsible for looking after a facility or building. Their duties can overlap, but 管理人 alone does not identify a dedicated cleaner.