Translation of "Scornfully" in Japanese

At home, because of his reddish hair and freckles, his mother scornfully named him "carrot" and had everybody else call him that.

家では赤味がかった髪とそばかすのせいで、母が侮蔑を込めて「にんじん」と名付け、皆にもそう呼ばせています。