If you send the moneypak money first (e. g. via paypal) some reputable member may help you, otherwise the chance that you are getting help is very low as bitcoins can't be charged back and it's generally a bad idea to trust a newbie without any further intel and securities.
Personally I think this sounds a lot like scam. Why should someone give away 10$ if he could just load his prepaid credit card or paypal account with moneypak and buy bitcoins?