愚者

1. Origins, structure, and basic meaning

• Structure: 愚者 is read as ぐしゃ and is a noun for a person judged to be foolish or unwilling to heed sound advice.
• Basic usage: A character in a story may be 愚者として描かれる, while labeling someone appears in 愚者と決めつける.

2. Common pitfalls and similar expressions

• A strong judgment about a person
  • It characterizes the person rather than one isolated mistake, so using it directly about someone can be insulting.
• Difference from 馬鹿
  • Both express foolishness, but 愚者 is more suited to literary or descriptive characterization.