YOU SAID:
He’s quite rude and antagonist towards me.
INTO JAPANESE
彼は私に対して非常に失礼で、敵対者です。
BACK INTO ENGLISH
He is very rude and hostile to me.
INTO JAPANESE
彼は私に対して非常に無礼で敵対的です。
BACK INTO ENGLISH
He is very rude and hostile to me.
Well done, yes, well done!