eudaemon

noun
  1. a benevolent spirit or demon in ancient Greek and Roman belief; a guardian spirit or good genius
  2. Usage: also spelled 'eudemon'; from Greek eudaimōn, meaning 'blessed' or 'fortunate'; chiefly historical or philosophical
  3. in philosophy, a person who is blessed or flourishing; one who achieves eudaimonia (human flourishing or happiness)
  4. Usage: philosophical and academic usage; related to eudaimonia in virtue ethics

Examples