You don't stop any of it. In a free society, we are free to give our money to whoever we desire.
Well said.
Everybody in private society is worth in economic terms precisely what profit--not income but PROFIT--he/she can generate through one's own business or the value he/she has to an employer.
A CEO is paid according to his ability/expertise in generating profits for the owners/share holders of the corporation. A pro athlete is paid according to his ability to draw the fans, sell the beer and peanuts, market the paraphernalia, etc. and therefore generate profits for the owners/shareholders of the franchise. An actor or actress or other entertainer is paid according to his ability to draw patrons to the box office, sell CDs, DVDs, blu rays, or entice viewers to watch that rakes in the advertising revenues.
And each of these kinds of activities creates opportunities for others--designers, construction workers, behind the scenes employees, those providing raw materials, transportation, or whole products for resale, janitors etc--who in turn perhaps unknowingly provide other opportunities for people to profit. Each is working for his/her own benefit and may not be even conscious of 99.9 percent of what others contribute, but the process results in countless thousands/millions of people all unwittingly working together to make that football game or movie or concert or corporation possible, even successful.
And yes it may seem obscene that a CEO or entertainer earns millions while teachers, police officers, and other public servants earn so little in comparison. But if we think by reducing the amount that CEO or entertainer earns will in any way improve the situation for teachers or police officers, we are sadly mistaken. For by making the rich less rich, we will invariably reduce the resources available for the less rich.
You can rob the rich to pay the poor for only so long before there is no money to pay anybody. You simply cannot hurt or punish the rich without also hurting and punishing the much less rich.