Please see the related question. It gives a fairly full list of the groups concerned.
They were people who suffered during the Holocaust and lived after it.
unpleasant.
The fact that millions of people suffered and died.
The Jews
everybody suffered.
6 million Jews were lost to the Holocaust.
Jews because Hitler hated them
Primarily Jews and Gypsies, but some christians who helped the others suffered as well.
those in the 'Pale of Settlement' and Poland suffered the worst.
yes, or alternatively they suffered their own attempted genocide.
A victim was someone who suffered as a result of actions taken.
none, the gypsies suffered thier own genocide at the same time though.