Someone who is willing to take risks or to do something shocking

Bodacious - Admirable, excellent, attractive.

Risk-taker - While a risk-taker is willing to take risks, he wouldn't necessarily do something shocking.

Audacious - An audacious person is someone who takes bold risks and isn't afraid at all to do so or of the consequences. Fits perfectly with the given statement.

Bold - A bold person is a brave person, who isn't afraid to stand up to someone or call someone out.