義務

1. Origins, structure, and basic meaning

• Structure: Written 義務 and read ぎむ, it denotes a duty that must be fulfilled under law, rules, or one's role.
• Basic usage: It applies to required acts such as reporting, payment, or protection.

2. Common pitfalls and similar expressions

• Not an optional recommendation
  • An obligation carries a requirement and possible responsibility for noncompliance.