A minister or a bank CEO?

A minister or a bank CEO?

What drives a man in his choice of a career or his mission in life? Which is more attractive between being a minister that pays him $1m and a bank CEO that pays him $7m?

In America, many big earners gave up lucrative jobs just to be in the govt. And they continue or go on to earn much more after their stints in the govt, not in the govt but in the private sector.