Returning to game, feeling lost on Mesmer
Don’t start a new mesmer. The game doesnt work that way. Continue to level.
I’ll leave the rest up to the PvE…. well the PvE’rs of the world.
The training menu is the place where you learn your skills and traits. Previously (at least when I leveled up my characters), you had to gain skill points to learn utility, healing and elite skills, while traits were unlocked automatically as you leveled up. This has changed a couple of times and the current system is such that you go around gaining “hero points” and spend them in the training menu to learn utility, healing and elite skills as well as certain traits.
Specializations are for you to choose the trait lines you want to use. Previously, you could allot points into any trait line you wanted and could put a few points into each trait line if you wanted (may not have been a viable build but you still could if you wanted). Now, you have to choose 3 trait lines, and gain the benefit of the full line. Note that you have to pick a single trait for each tier (adept, master and grandmaster), but you will reap the benefits from each one you pick.
In terms of whether you should start a new character, that’s entirely up to you. Some of my friends find it easier to get back into a game by simply starting from scratch, while some find it easier to pick up where they left off. Level 33 isn’t very high so even if you were to start from scratch, you wouldn’t have wasted too much time.
Don’t delete the character, you will have birthday gifts for it which can be used to get extremely rare dyes you might want. The gifts get better the older the character and funnily enough you get a scroll to jump to 40 on the 4th birthday, use that on new characters though.
Are you NA or EU? Maybe someone can in game teach you more and answer questions better as it seems you need to relearn what GW2 is in general not just PvE.