Pliocene Survival

[Updates] In the 22nd century, you survived a concentration camp because you were worth more alive than dead to the world government that slaughtered people like you: the religious. Your gift of wisdom and knowledge was used in a time travel project. You take it as an opportunity to change the course of history and prevent the persecutions and the rise of the tyrannical world government. Instead, somehow, you're trapped in the Ice Age.