首富

shǒufù
  1. richest individual
  2. top millionaire

CEDICT

richest person or family in an area

Wiktionary

地方上最富有的人家。

重編國語辭典

Entry Composition

1 首 shǒu
  1. head
  2. chief
  3. first (occasion, thing etc)
  4. classifier for poems, songs etc
2 富 fù
  1. rich
  2. abundant
  3. wealthy