A difficult question for the Polish rabbi [ENG sub]
Szmalcownik , in English also spelt shmaltsovnik, is pejorative Polish slang used during World War II for a person who blackmailed Jews who were hiding, or who blackmailed Poles who protected Jews during the German occupation.The Polish Secret State considered szmalcownictwo an act of collaboration with the German occupiers. The Armia Krajowa (Home Army) punished it with the death sentence as a criminal act of treason.Blackmailers had been sentenced to death by the Special Courts of the Polish Underground for crimes against Polish citizens
Righteous Among the Nations is an honorific used by the State of Israel to describe non-Jews who risked their lives during the Holocaust to save Jews from extermination by the Nazis.
Jewish crimes, use google: Zagiew, Group 13, Judenrat, Jewish Ghetto Police, Kapo, Sonderkommando