billionaire (wealth exceeding one billion (10⁹))

millionaire (wealth exceeding one million (10^6))

(also ちょうしゃ) elder; senior; a virtuous person / rich person / leader of a lineage / (archaic) chief of a post station (shukuba) / (archaic) owner or leader of a brothel in a post station (shukuba)

young, juvenile / energetic, fresh / immature / lesser in an order, smaller, earlier

young / if

"my lord" (towards a young master or a young heir)

a hundred million, 10⁸

a hundred million; consider

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

if; supposing; in case