A person must contribute to the nation in a specific manner(doing something special) .
Pluck
Charm means to make someone like you more.
Snare is a type of trap used in hunting
Entreat means to ask someone something in a scared way.
Pluck means to quickly take something out or remove it.
Pluck is the answer.
The answer is 7x-28, because if you put 7*x and 7*-4 the answer will be 7x and -28 if you distribute correclty.