Were there any altruistic gestures, during the Holocaust? What they were? (sorry for my English)?

Pope Pius XII employed diplomacy to aid the victims of the Nazis during the war and, through directing his Church to provide discreet aid to Jews and others, saved hundreds of thousands of lives. Pius maintained links to the German Resistance, and shared intelligence with the Allies. His strongest public condemnation of genocide was, however, considered inadequate by the Allied Powers, while the Nazis viewed him as an Allied sympathizer who had dishonored his policy of Vatican neutrality.

Look up The Strike of February 1941 in the Netherlands

Yes, Oskar Schindler is a famous example, he saved a lot of people from the concentration-camps at great danger to himself, and his family.