Refers to a person of great wealth, often with connotations of high social status or luxury. Used in both formal and informal contexts.
He joined the ranks of the wealthy at a young age.
その富豪は慈善活動に多額の寄付をしている。
The millionaire donates large sums to charity.
He was born into a wealthy family.
She married a famous millionaire.
He succeeded in business and became a wealthy man.