For Käufer there are 36 on Yasni with different names.
Among the most common last names on Yasni Käufer is on position 4491.
The name "buyer" probably comes originally from the word "cooper". Cooper is a professional designation for drum builders, as for example the Scheffler, the barrels were also farmers. Buyer is equivalent to the English. Cooper name, which also means barrel maker.
(Sent from: Sascha Kaeufer)