intrepid
adjective /ɪnˈtrepɪd/
  /ɪnˈtrepɪd/
 (formal, often humorous)- very brave; not afraid of danger or difficulties synonym fearless- Traders and missionaries often proved themselves to be intrepid explorers.
 Oxford Collocations DictionaryIntrepid is used with these nouns:- explorer
- hero
- reporter
- …
 Word Originlate 17th cent.: from French intrépide or Latin intrepidus, from in- ‘not’ + trepidus ‘alarmed’.