あんたなんか

someone like you

→ 貴方
phrase Rare #22,214
someone like you A dismissive or insulting way to refer to someone, often implying that the speaker dislikes or looks down on them. あんた is an informal form of あなた, and なんか adds a belittling nuance.
JA: あんたなんかに負けたくない。
EN: I don't want to lose to someone like you.

あんたなんか

You’re the worst!

— すずめの戸締まり (2022)

あんたなんか愛してない

I don't love you.

— ロシアン・ブラザー (1997)

あんたなんか生まれてこなければよかったのよ

It would have been better if you had never been born!

炭鉱夫ってあんたなんか見たことない

A coal miner? I've never seen anyone like you!

— 動くな、死ね、甦れ! (1990)

あんたなんか嫌い

I hate you.

— ラストエンペラー (1987)

あんたなんか最低

You're the worst.

— Hoje Eu Quero Voltar Sozinho (2014)