Both Uses

capitalism
in
A Prayer for Owen Meany
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I hate Monopoly, but even a capitalist board game was welcome—relief from the more strenuous activities my cousins subjected me to and Hester was either in a rare mood to be calm, or else I rarely saw her without the company of Noah and Simon, around whom it was impossible to remain calm.†
p. 59.9 *

capitalist = one who believes in an economic system based on voluntary exchange in a competitive environment with private ownership of property and businesses
I doubt that Owen ever would have become "sophisticated" enough to make that separation—not even today, when it seems that the only people who are adamant in their claim that public and private morality are inseparable are those creep-evangelists who profess to "know" that God prefers capitalists to communists, and nuclear power to long hair.†
p. 375.8

capitalists = people who believe in an economic system based on voluntary exchange in a competitive environment with private ownership of property and businesses

Definitions:

(1) (capitalism)
an economic system based on voluntary exchange in a competitive environment with private ownership of property and businesses

Proponents of capitalism argue that voluntary exchanges tap into people’s local knowledge and natural self-interest, channeling millions of everyday decisions into broader benefits for society. At the same time, most of them also support a role for government in addressing problems that “pure” capitalism handles poorly—such as monopolies, shared costs and benefits like pollution and national defense, and providing a safety net for those who are hit by bad luck.
(2) (meaning too rare to warrant focus)