YOU SAID:
My dad is a bad person
INTO JAPANESE
私の父は悪い人です
BACK INTO ENGLISH
My dad is a bad guy
INTO JAPANESE
私の父は悪者です
BACK INTO ENGLISH
My father is a bad guy
INTO JAPANESE
私の父は悪者です
BACK INTO ENGLISH
My father is a bad guy
That didn't even make that much sense in English.