Sites are good and legit, but there are no referral links out here, you know. And surely people won't believe you'll actually use the money you earn for helping poor children. There's no reason for people to trust you. At least, you should create a wallet solely for those purposes and then give some information on how exactly the money was spent. It would be even better to ask a trusted member of the forum to hold the funds. If you really want to do a good thing then you'll probably agree to do this.