Try reading the Bible. It might help you to understand.What True Christian wouldn't want to suffer for those less fortunate until the end of time?
If you recall Peter was afraid when they took Jesus to be crucified. Does that mean he wasn’t a true Christian? If you think about the sort of suffering that will go on in the tribulation, I don’t think anyone WANTS to go thru it. And if they think they do, it’s because they don’t really conceive how bad it will be.
I don’t think it’s really fair to question someone’s salvation based on how much they want to suffer.