被害妄想

1. Origins, structure, and basic meaning

• Structure: 被害妄想(ひがいもうそう) denotes a delusion of being harmed or targeted by others.
• Basic usage: It appears in contexts describing a fictional character's distressing belief or discussing consultation about such a belief.

2. Common pitfalls and similar expressions

• Belief content and narrative perspective
  • In the first example, 隣人が皆自分を監視している connects to という被害妄想 as the content of the protagonist's belief. The sentence explains that belief rather than establishing the neighbors' surveillance as a fact.