Yakuza is a Japanese form of organized crime, of the typology of which the (Sicilian) Mafia is the most famous one and is supposed to be among the most 'sophisticated' and violent ones.
... with his life up to the time of his settlement at Königsberg.
See Quabicker, Karl Rosenkranz (1899), and J Hutchison Stirling, The Secret of Hegel, part 6.
This ...