How did non-Jewish people try to save Jews from the horrors of Nazism?

Answer 1

They hid them

Answer 2

Without trying to seem harsh or indifferent or cruel, the major notable thing Jews did in WW2 was die in massive numbers, mostly through the invidious Nazi-led extermination program that became known as The Final Solution to the Jewish Question. However, even in this regard, it is easy to overlook the amount of slaughter of Jews carried out by other nations independent of Nazi control: the U.S.S.R., Croatia, Iraq, and with enthusiastic assistance of a notable minority of many (if not most) Nazi-conquered countries.

Jews (like many minorities) also volunteered at a much higher rate for military service than common for the population. As a whole, in Allied service, Jews were not put into special Jewish units, but intermixed with everyone else. They thus suffered casualty rates at about the same incidence as the militaries did as a whole.

The other major notable contributions came as part of the Allied (particularly U.S. and British) war effort: Jews made up a disproportionately large number of the premiere scientific and business leaders of both the U.K. and U.S. They were thus instrumental in the coordination and planning of the vast Allied industrial war effort, which was the key reason that the Allies won the war (which there were many contributing factors to the Allied victory, in the end, the final reason was that the Allies were able to out-produce their opponents by a huge margin). In addition, the majority of major technological advances made by the Allies were made by teams containing (though obviously not entirely composed of) Jewish scientists. Most famously, the Manhattan Project had a huge number of very prominent Jewish scientists working on it - so many Jews worked as critical members of the atomic bomb project that post-war atomic bomb-detractors were at least partially justified in labeling it a "nightmare weapon spawned by International Jewry".

Answer 3

Firstly it has to be pointed out that although thousands did help, this constituted a minute fraction of the population and they managed to help only a very small fraction of Jews.

There were many ways in which they helped: In France and in the Netherlands different types of resistance networks were utilised to help hide and smuggle Jews. In Poland and France the Catholic Church took steps to hide Jewish children as gentiles.

In Finland they simply refused to surrender their Jews. In Denmark most of the Jews were smuggled out just before they were due to be rounded up.

There were many cases of gentiles hiding Jews, especially in rural areas, but this made the Jews very vulnerable, especially when they ran out of funds to pay for their safety.

In Germany there was a popular movement of the spouses of Jews, which had some success, also up until the end of the war there were still some Jews successfully hiding in Berlin, this, with the aid of some gentiles providing food.

Most famously Schindler employed some Jews, which gave them the means to feed themselves and a degree of security.

Many embassy workers, notably the Japanese and Swedish embassies, workers gave visas to Jews to enable them to escape.