Guild Wars 2

I come here after 8 years of Wow gameplay time..
I’m playing gw2 for 1 week now BUT it is like a single player campain game with %10 online and % 90 alone..
I’m in a crowded server though people has No conversation in game while doing same quests world events and bosses..
Everyone come together for an event it starts everybody runes around it finishes and everybody leave i m not sure what kind of online game is this..
Everyone like NPSs game is fun i like questing but i promise gw2 is not an online game

Hello guys im new at GW2.im here after 8 year WoW gameplay time..
I try all gw2 heroes at Low levels.i think i Will go for warrior…
I Need good advices for leveling questing build..
Shall i take 1 hand + shield or what i Must i use double axe at The moment is it ok?
And what skills and what traits shall i take?