Individualism (noun)

1. The habit or principle of being independent and self-reliant.
2. The practice or principle of self-reliance, self-government and self-expression.

Origin:

Mid-19th century: from individual + -ism.

Examples:

1. Individualism is an important principle in American culture.
2. He championed individualism and self-reliance in his writing.
3. Individualism encourages people to think for themselves and make their own choices.
4. The society's emphasis on individualism has led to a decline in community spirit.
5. Individualism is the core of capitalist economic system.