PROFILE | Caspar Jander: Why the German prospect is a match for Borussia Dortmund - Get German Football News
German U20 and U21 international. Ignoring the obvious ABK part, that would indicate he's not exactly bad.
According to Transfermarkt (Iknow), Jander is the most valuable player in Bundesliga 2. https://www.transfermarkt.co.uk/2-bundesliga/marktwerte/wettbewerb/L2#google_vignette So there’s that, I guess.
Apparently Jander means someone who builds walls in German, could be useful for defensive free-kicks...