baron

1. N-COUNT/N-TITLE A baron is a man who is a member of the lowest rank of the nobility. 男爵 (英国贵族的最低爵位)[英国英语]

...their stepfather, Baron Michael Distemple. …他们的继父迈克尔• 迪斯坦普尔男爵

2. N-COUNT You can use baron to refer to someone who controls a large part of a particular industry or activity and who is therefore extremely powerful. 大亨

...the battle against the drug barons. …与大毒枭们的斗争。