Plutocrats
Financial Clique, Zaibatsu
noun, の adjective
A wealth clan is a group of people who do whatever they can to get their money. These are the plutocrats of the world, but you can also call them financial clique or even the Zaibatsu (sometimes brought up in English language history / economic books regarding Japan).
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
彼はこの財閥のあと取りです。
He is the heir of this zaibatsu.
おそかれ早かれ、トーフグは財閥として日本のビジネス界に君りんするでしょう。
Tofugu will reign over the business world in Japan as a zaibatsu sooner or later.
日本には、第二次世界大戦前に三井財閥、三菱財閥、住友財閥、安田財閥などの財閥がありました。
In Japan, there were several financial cliques prior to World War II, including Mitsui Zaibatsu, Mitsubishi Zaibatsu, Sumitomo Zaibatsu and Yasuda Zaibatsu.