A theoretical concept in which you achieve your highest potential. A self-actualized person sees life as meaningful, challenging, and productive. They handle current problems and are able to see beyond them. They are happy, confident, well-adjusted, capable, and resilient. They have a sense of humor and frequently have peak experiences.
Few people become self-actualized.
It does not seem to fit our everyday life, but its application can be seen in people living on the edge of disaster, or starvation, or threat of war, etc.