Translation

悪魔化する / 邪悪なものとして描く

Meaning

Portray someone or something as wicked, threatening, or representative of evil, often to manipulate public opinion or justify harsh treatment.

Examples

• The media often demonizes immigrants to fuel public fear during election cycles.
  メディアは選挙期間中に大衆の恐怖を煽るため、移民を悪魔化することがよくある。
• It is unfair to demonize an entire group of people based on the actions of a few individuals.
  少数の個人の行動に基づいて、集団全体を悪魔化するのは不公平だ。