Go to the stake over/for something
Definition 1 of 1
Pro Tip 1/3Strong Commitment
Conveys deep dedication to a cause or belief, indicating unwavering support despite the risks. 
You have to really go to the stake for a friend in need.
Pro Tip 2/3Possible Sacrifice
Implies readiness to face serious consequences, such as loss or damage, for the defended cause. 
Some would go to the stake over their right to free speech.
Pro Tip 3/3Historical Origin
Rooted in historical punishments, where individuals were burned at the stake for their beliefs. 
Her integrity was unshakable, ready to go to the stake for it.