I am myself in this situation. Trying to grow 1K on ES. But I don't expect to reach 5K until January/ February 17'. As I limit myself to 2K per contract. Let's see.
By the way, what if you lose his money ?
Not going to lose this money hehehe.
Your situation is more difficult in my view as you'll have to stick with 1 lot for many trades which makes it vulnerable to trade management mistakes.