痴漢

1. Origins, structure, and basic meaning

• Structure: 痴漢(ちかん) can refer to a sexual harasser or an act of molestation.
• Basic usage: The examples describe helping someone harmed at a station or witnessing sexual harassment.

2. Common pitfalls and similar expressions

• The expression for the person harmed
  • 痴漢の被害に遭った人 refers to the person who suffered the harassment.