If you would like to do something to help Steemit and Steem, invest your Steem and SBD into Steem Power. Vote for those, who help the community to grow and who invest likewise. Do not help the copy-pasters.
Advertise Steemit and Steem outside Steemit. The more users Steemit has the more value of Steem grows. The value is based on trust of people in currency. We shall show our trust.