en_tn/ecc/07/07.md

Extortion

This refers to forcing someone to give money or other valuable items to another so that the other person does not harm him. It is considered wrong.

makes a wise man foolish

Possible meanings are 1) "turns the wise man into a foolish man" or 2) "makes the advice of the wise man appear to be foolish advice."

corrupts the heart

Here the word "heart" refers to the mind. Alternate translation: "ruins a person's ability to think and judge rightly" (See: rc://en/ta/man/translate/figs-metonymy)