Google Sheet Filter and Match (List the label where a name exist.)

I have 4 game columns that contain the names of the players. I want to list the games of a particular player.

     A.         B.          C.          DBasketball   Bowling     Billiards   Badminton----------   -------     ---------   ---------John         Paul        Mark        PaulPaul         Robert      James       ChrisMatt         Wesley      Brad        Dexter 

Now I want to create a formula and list all the games Paul played. Appreciate the help in advance.