demonize
verb [ T ] (UK usually demonise) uk/ˈdiː.mə.naɪz/ us/ˈdiː.mə.naɪz/
使恶魔化，将…妖魔化
to try to make someone or a group of people seem as if they are evil
The Nazis used racist propaganda in an attempt to demonize the Jews. 纳粹试图利用种族主义宣传将犹太人妖魔化。