With men such as Capt, chantage, as the French call it, is a favourite mode of obtaining wealth.
There are in London and every large city scores of men and women who live by blackmailing or chantage.
Thus the very basest of all trades, that of chantage, is encouraged by the law.
That was a bit of 'chantage' that you did with Dauriat; he gave you a thousand crowns to let Nathan alone.
This, of course, does not prove that the Members of the Council are amenable to chantage.