In this aspect, and someone is experiencing constantly lose in trading, the person don't need to panic or conclude that trading is a scam or gamblling.what the person haveto do is to go back and study the basic risk measure involve in  trading, and secondly tried to understand the reason while it's having loss in trading. because some people doesn't know the rudiments of trading before venturing into it.so therefore a trading is a skill and if you don't understand the rudiments you will continue to experience the negative side of trading as a lost.