brave
n.n. willing to do something even when you are scared or when it is dangerous.
n. possessing or displaying courage; able to face danger, pain, or difficulty without showing fear.
The brave firefighter ran into the building to save the cat.
It was a brave decision to quit her stable job and start her own business in such a competitive market.
History often remembers the brave individuals who stood against systemic injustice, even when their actions carried the heavy risk of social exile or physical harm.
From Middle French brave, borrowed from Italian bravo, itself of uncertain origin (see there). Doublet of bravo.
From Middle French braver, from brave.
Typically used as an attributive adjective before a noun, but can also function as a collective noun when preceded by 'the' ('the brave').