Facticity
The basic stuff you're stuck with when you're born, like your culture, class, religion, language, race, gender, and sexual orientation. It's like your life's starting line, and you can't change it no matter how hard you try.
My cousin was born into a rich family, but he still ended up broke because he spent all his money on video games.
She was born into a religious family, but now she's a vegan atheist.
He was born black, but he still got called a 'nigger' every day at school.