Just continue to work on your solving capthers with hard work and dedication in a shortest time you will earn 0.005 BTC and continue to post meaningful post in this forum, you will be promoted to the rank of junior member then you can apply for signature campaign from there you will raise all the btc needed.
Well in his case, he had a neg feedback and most signature campaigns may not accept those who have neg trust (not all but some ive seen)