high net worth individual
noun[C]
FINANCEukus(abbreviationHNWI)used byfinancialorganizationstotalkabout aclientorpossibleclientwho is veryrich:
Thebankis thelatestfinancialinstitutionseekingtocatertowealthyindividualsin Chicago, the nation's third-biggestmarketfor highnetworthindividuals.