rich
having a lot of money and possessions
billionaire
person who has a net worth of at least one billion (1,000,000,000) units of a given currency
ultra high-net-worth individual
people with net worth at least $30 million USD
millionaire
individual whose net worth or wealth is equal to or exceeds one million units of currency
high-net-worth individual
financial industry term for people whose investible assets exceed some threshold