YOU SAID:
I am a double wielder
INTO JAPANESE
私は二重の使い手
BACK INTO ENGLISH
I am a double user
INTO JAPANESE
私は二重のユーザーです
BACK INTO ENGLISH
I am a dual user
INTO JAPANESE
私はデュアルユーザーです
BACK INTO ENGLISH
I am a dual user
That didn't even make that much sense in English.