freebooter
/ˈfriːbuːtər/Definitions
1. noun
a pirate or privateer who operates outside the law, often in search of plunder or adventure.
“The freebooter sailed the Caribbean in search of hidden treasure.”
2. noun
a person who engages in adventurous or reckless behavior, especially in pursuit of personal gain or excitement.
“The young entrepreneur was considered a freebooter by his more cautious colleagues.”