signature campaign is the best way 
i must agree with you he should post from this account to level up in activity an join the campaigns that are paying big amounts of money to earn from this forumif you a newbie here just take some giveaway or find easy task what you can.
it wont take really long as long as you enjoy contributing here in the forum
giveaway isnt really good idea as i cant see giveaway more often nowadays unlike in the past