YOU SAID:

I was once someone they did not really like

INTO JAPANESE

私はかつて彼らがあまり好きではなかった人でした

BACK INTO ENGLISH

I used to be someone they didn't like very much

INTO JAPANESE

私は彼らがあまり好きではない人でした

BACK INTO ENGLISH

I was the one who didn't like them very much

INTO JAPANESE

私は彼らがあまり好きではなかった人でした

BACK INTO ENGLISH

I was the one they didn't like

INTO JAPANESE

私は彼らが好きではなかった人でした

BACK INTO ENGLISH

I was the one they didn't like