Thanks for all your views and suggestions on the matter. I think I have understood the basic forms in which this can take place and now I can play safe without the risk of any accusations. Thanks again people! 
If your question has been answered please lock this thread. Having multiple accounts is prohibited in most of the gambling platforms but few might not have any rule against this. However they might not have user to user transfer function to restrict any faucet/giveaway related spams.