YOU SAID:

there is a rich person eating my arm

INTO JAPANESE

私の腕を食べる豊富な人があります。

BACK INTO ENGLISH

There are rich people eat my arm.

INTO JAPANESE

豊富な人々 は私の腕を食べる。

BACK INTO ENGLISH

Rich people eat my arm.

INTO JAPANESE

豊かな人々 は、私の腕を食べる。

BACK INTO ENGLISH

Rich people eat my arm.