To Face
To Be Directed Toward, To Contrast
する verb
たいする
対する (たいする) To Face, To Be Directed Toward, To Contrast
比べる (くらべる) To Compare
比較する (ひかくする) To Compare
反対 (はんたい) Opposition, Opposite
逆らう (さからう) To Go Against, To Oppose, To Be Contrary To
対向する (たいこうする) To Be Oncoming, To Come Towards
対 means "vs". 対する is To Compare/Contrast A vs. B. When people "vs" each other they Oppose/Face Each Other.