YOU SAID:

ask the man to eat the tree for u

INTO JAPANESE

その男に木を食べてもらいなさい

BACK INTO ENGLISH

Have the man eat the tree.

INTO JAPANESE

その男に木を食べさせます。

BACK INTO ENGLISH

I have the man eat a tree.

INTO JAPANESE

私は男に木を食べさせます。

BACK INTO ENGLISH

I make a man eat a tree.

INTO JAPANESE

私は男に木を食べさせる。

BACK INTO ENGLISH

I make a man eat a tree.