Trading is suitable for newbies as well but Only thing we have to do is smart work on that. Just collect some ideas from well known trading expert, Else atleast go through the localbitcoins about trading tips. But risk is also there be careful and do buddy.
Literally if the newbies will go to trading then they will definitely not a newbie anymore after finishing some ideas and suggestion from trading expert like you said.
Newbies are not recommended to enter trading without those stated above. So learned it first. Step up as a Average person there. Newbie in trading is different from Newbie that will just do the trading method quick.
They way earn bitcoins are,they can take according to rank.
Signature campaign(Just need to wear the signature and your posts calculated for payments)
Trading(Investment need for that and risky As well.
Faucets(Very less amount only we can earn Just in satoshis)
Mining(we can see the profit in that but It consume heavy electricity)