Smartest Man In The World.

This is a brief story of which you are meant to answer the questions from this puzzle comprehension. If you know the answer to the question quietly comment below and state your reasons.  There will be a reward for a person who answer correctly.

STORY

A doctor, a lawyer, a little boy and a priest were out for a Sunday afternoon flight on a small private plane. Suddenly, the plane developed engine trouble. Inspite of the best efforts of the pilot, the plane started going down.

Finally the pilot grabbed a parachute and yelled to the passengers that they better jumped, and he himself bailed out.

Unfortunately, there were only three parachute remaining, the doctor grabbed one and said ” I am a doctor, I save lives, so I must lives, and jumped out.

The lawyer then said, “I am a lawyer and lawyer are the smartest in the world and also render justice to client in the world, therefore I deserve to live”. He also grabbed one and jumped.

The priest looked at the little boy and said, “my son, I have lived a long and a full life, you are young and have your whole life ahead of you. Take the last parachute and live in peace.

The little boy handed the parachute back to the priest and said not to worry “The smartest Man in the world just took off with my back pack.

QUESTION.

Who is the smartest Man.

State your reasons for your answers.