If you're in Warsaw, Smile can hook you up with clothes and food (14.00 Sunday, near the Kinoteka entrance to the Palace of Culture) and Warsaw Seva can also serve you a hot meal (16.00 Friday to Sunday near the Kinoteka entrance to the Palace of Culture).
He doesn't want to stay in Poland, bigmo. He's on his way to Germany and he got as far as Kętrzyn already - with all the Border Guards everywhere! That's not bad, so let's be civil.
At least learn to ask/beg in Polish! Poland is not a melting pot, send me your huddled masses type society like the US, where up until recently any non-English speaking wetback could almost swim across the Rio Grande into North American waters and end up picking fruit in Southern California, albeit for slave wages.
You really need to consult the local Consulate in your home country prior to landing abroad.