You may get a good answer, however 382 BC is the iron age period for Britain and a few hundred years before the roman invasion, so you might find what you're looking for in other questions covering this period:

/u/Tiako

https://www.reddit.com/r/AskHistorians/comments/skkp8/anyone_want_to_help_me_out_with_iron_age/c4exphv?utm_source=share&utm_medium=web2x&context=3