A class of moneymen who once only managed funds for buccaneering, rich families now count the world's largest public pension funds and endowments as clients.
Like his famous grandfather (to whom he bears some resemblance) he is an extroverted, mucking-in, buccaneering sort of toff, rather than the condescending and insipid kind.
He also became a heavy drinker, particularly fond of the local rum which he enjoyed, while swapping old war stories with other former privateers and buccaneers.
So, by the middle of the 17th century, the French had convinced many of those buccaneering captains to give up their pirating and settle on the island.
His next target was Gibraltar, and despite the city's protection by a Spanish force that greatly outnumbered the buccaneers, L'Olonnais managed to beat them and hold the city for ransom.