an Entity references as follows:
Jakub Świerczok (Polish pronunciation: [ˈjakup ˈɕfjɛrt͡ʂɔk]; born 28 December 1992) is a Polish professional footballer who plays as a striker. He is under contract with J1 League club Nagoya Grampus Eight, but currently banned for football-related activities until 9 December 2025, with the punishment issued by the AFC after testing positive in a doping test.