Individual capital Definition
Individual capital comprises inalienable or personal traits of persons, tied to their bodies and available only through their own free will, such as skill, creativity, enterprise, courage, capacity for moral example, non-communicable wisdom, invention or empathy, non-transferable personal trust and leadership.
It was recognized as an intangible quality of persons in economics back to at least Adam Smith. He distincted it (as "enterprise") from labour (economics) which can be coerced and is usually seen as strictly imitative (learned or transmitted, via such means as apprenticeship).