Libertarianism, a political ideology that advocates individual liberty and private property

solipsism, (sometimes called egoism), the belief that only one's self exists, or that only the experiences of one's self can be verified

Altruism, "otherism", the opposite of egoism

Individualist anarchism - anarchism that exalts the supremacy of the individual

Individualism, a focus on the individual as opposed to society

Objectivism (Ayn Rand), a philosophical system based on the writings of novelist Ayn Rand that advocates egoism

ethical egoism, the doctrine that holds that individuals ought to do what is in their self-interest

psychological egoism, the doctrine that holds that individuals are always motivated by self-interest

Individualism summary and related information.

rational egoism, the belief that it is rational to act in one's self-interest

Machiavellianism, a tendency to deceive and manipulate others for personal gain

egotism, an excessive or exaggerated sense of self-importance

Selfishness denotes the precedence given in thought or deed to the self, i.e., self interest or self concern. It is the act of placing one's own needs or desires above the needs or desires of others. Selfishness is the opposite of altruism. The...

Suitheism - Belief in self as a deity