What's the noun for precarization? Here's the word you're looking for.
precariat
(sociology) People suffering from precarity, especially as a social class; people living a precarious existence, without security or predictability, especially job security.
precarity
(sociology) a condition of existence without predictability or security, affecting material or psychological welfare
precarization
(sociology) The process by which the number of people who live in precarity increases.