YOU SAID:

I eat people who eat me who I eat them

INTO JAPANESE

私は私が彼らを食べる私を食べる人を食べる

BACK INTO ENGLISH

i eat those who eat me i eat them

INTO JAPANESE

私は私を食べる人を食べます 私はそれらを食べます

BACK INTO ENGLISH

i eat those who eat me i eat them