baron
US /ˈber.ən/
UK /ˈber.ən/

1.
a member of the lowest order of the British nobility
:
•
Lord Smith was elevated to the peerage as Baron Smith of Westminster.
•
The Baron hosted a grand feast at his castle.
2.
a powerful businessman or industrialist
:
•
He was known as a shipping baron, controlling a vast fleet.
•
The oil barons gathered to discuss market strategies.