Who is the richest Pakistani in the world?

Who is the richest Pakistani in the world?
In what business does he rule the world?

After looking at your question,

out of curiosity, 

I searched for 'richest Pakistani' on Google and found the following result. 

No. 1: Shahid Khan
No. 2: Mian Muhammad Manshah 
No. 3: Asif Ali Zardari 

(No.1) Mr. Shahid khan

Shahid Khan To a big, long mustache man named Shahid Khan- 

who has been included in the list as the richest Pakistani with a total value of 9 7.9 billion. 

But since he is an American citizen and lives in the United States, I guess he doesn't really count himself.

(No.2) mr.mian (M) Manshah

The second richest Pakistani is Mian Muhammad Mansha, a bald man with a net worth of 2.7 billion. He is the founder and CEO of Lahore-based international organization Nishat Group, which owns banks, cement factories, power generation companies, automobile companies and textile companies.

 Mian Mansha is the highest tax payer in Pakistan. Since he is a Pakistani citizen and lives in Lahore (Pakistan), he is the richest man in Pakistan.

(No.3) mr. Asif ali zardari

I was surprised to see Asif Ali Zardari in the list. 

Although I have never heard of these two men, Zardari is a familiar name. He also served as President of Pakistan from 2008 to 2013 - thanks to the public outcry over the assassination of his wife, Benazir Bhutto.

Zardari is the third richest man in Pakistan with a net worth of 1. 1.8 billion. A question came to my mind. How much of his wealth is the amount of corruption...