YOU SAID:

There is not a single person in this world better than I am.

INTO JAPANESE

この世界には私より一人の人はいません。

BACK INTO ENGLISH

There is no one person in this world than I am.

INTO JAPANESE

この世界には私以外に誰もいません。

BACK INTO ENGLISH

There is no one other than me in this world.

INTO JAPANESE

この世界には私以外に誰もいません。

BACK INTO ENGLISH

There is no one other than me in this world.