noun
characterizing; stereotyping; typecasting
Used when assigning a fixed personality or role to someone, often in a simplified or stereotypical way. Common in discussions about fiction, media, and social perception.
あのドラマはキャラ付けがはっきりしていてわかりやすい。
That drama has clear character typing, making it easy to follow.
彼はいつも真面目なキャラ付けをされている。
He is always stereotyped as the serious type.