Most of you keep spamming and saying confront the boy who scammed you, i'm pretty sure Kayla said that she only knew him online. Read before posting...
My opinion find a tut to chargeback money from your Paypal just like `SkiN said.
Oh so you bought your mill's then payed him ingame with 50M so you still lose the $300 anyway's, who did you buy from ask them if they can refund you for the time being.
Borrow a staking account + some cash from a friend a stake till you got enough to pay your dad back? Best option I think, unless you really wanna try the lemonade stand (I buy a glass to chear you up )