YOU SAID:

i think he likes me back but he is mean to me around other people

INTO JAPANESE

彼は私を好きになってくれると思いますが、他の人たちの前では私に意地悪をします

BACK INTO ENGLISH

I think he likes me, but he's mean to me in front of other people.

INTO JAPANESE

彼は私のことを好きだと思うのですが、他の人の前では私に意地悪をします。

BACK INTO ENGLISH

I think he likes me, but he's mean to me in front of other people.