In theory, this is easy, but in fact, using other people for this is almost unrealistic - identity checks are carried out at all stages of the cash flow - at bookmakers, in the payment system, at the bank. There are too many risks to trust someone with your money. The only option that is more or less normal is the help of relatives.
Someone you can trust, if you are not dealing with huge money here, I think bookies would not look into your personal life or investigate. This betting odds are available, you are not cheating, you just won because you are smart enough to do the arbitrage betting, and it doesn't mean when you do that, a specific bookies would lose because it's still the usual thing, you just get a little percent every time there's a result.
Of course I'm talking about big money. If you make small bets, you will not earn anything. What will be the earnings from $ 100 if you find an arbitrage bet with a 0.5% difference? There is no point in doing this for penny wins. I believe that since you are doing something, you should do it seriously and make some serious money. From here we return to the issue of trust and here I see nothing better than working with relatives.