if the two sides you describe agree on those definitions as mutually exclusive but in union describing the universal set of people, then they are both wrong.
as long as people engaged in a market make their own choices, then money is a direct measure of happiness on the margin. you give somebody your money in exchange for something you want and would rather have: this creates happiness out of thin air.
if you think a better society is a happier society, then going into business to make money is the same as going into business to make society better.