daredevil
n.someone who likes to do dangerous things for fun or to get attention.
n.a person who recklessly seeks out or performs dangerous stunts. Often carries a connotation of bravado or a lack of concern for personal safety.
“The young daredevil jumped his bike over the wide stream.”
“Crowds gathered at the canyon to watch the daredevil attempt to cross on a tightrope without a safety net.”
“While some viewed his high-altitude climbs as the actions of a reckless daredevil, others saw them as a calculated pursuit of human limits in the most extreme environments on Earth.”
Often used as a modifier before another noun, such as 'daredevil pilot' or 'daredevil stunt'.
From dare + devil; an exocentric compound, "one who dares the devil".
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.