There a hundreds of Harry Potter character so it would be impossible to name all those who didn't die. Instead, please see related questions for a list of those who did die. Those not on the list, didn't die.
See related questions for: 'Which characters die throughout the Harry Potter series?' If they aren't on that list; they didn't die.
There are hundreds of Harry Potter characters it would be impossible to list all that didn't die. Instead see related questions for a list of those who did die, anybody not on that list didn't die.
Hagrid does not die in the series. A lot of characters do, however.
no. but some of the characters die or have major or minor injures.
It was the middle of a war, people die in wars.
Lots of characters died, see related questions for more information.
Yes two: Albus Dumbledore and Lord Voldemort.
More than two main characters die. See related questions for more information.
There is no Niki in Harry Potter.
There is no such character in Harry Potter.
Yes Voldemort does die, Harry Potter defeats him
Seventy two characters die, you can find a list of them in related questions.