If you want to be an academic philosopher, you probably need money. But, in my opinion, anyone can be a philosopher, regardless of class, wealth, education level, credentials, etc.
> Can you name a poor philosopher?
Diogenes.
If we must go back 2400 years, "his father minted coins for a living" doesn't really make it sound like he came from a deprived background.
You just changed the goalposts! You said a poor philosopher, not a philosopher whose parents were also poor!