Simplify the following text for a Grade 14 native English-speaking person.
Original: Yagan ( c. 1795 â `` 11 July 1833 ) was an Australian Aboriginal warrior from the Noongar tribe who played a key part in early indigenous Australian resistance to British settlement and rule in the area of Perth , Western Australia .
Simplified: Yagan ( c. 1795 â `` 11 July 1833 ) was a Noongar warrior who played an important part in early indigenous Australian resistance to European settlement and rule in the area of Perth , Western Australia .