I will try to help you, but keep in mind that your question involves allot of stuff so I would advise you to search a little bit on the forums, so…
Highlander/barbarian and doppel can use this weapon, highlander offers a substancial buff to your crit damage (crit damage! not crit rate) for this reason most dex based builds take one circle here.
Barbarian oferrs alot of powerfull damage skills (seism/helm chopper/frenzy) its not that usefull in circle 1, people usually go for c2/c3 on barbarian.
Doppel has the greatest AOE skill in cyclone (high damage mobile skill that also gives you block chance ) and a great buff to atk and atk speed, don’t know much about circle 2 skills but it might be worth going for c2 just for cyclone damage alone.
-
Sword + shield - Rodelero gives you some nice damage skills and gives you the ability to evade magic damge (circle 2) wich is very powerfull in this game since magic game has such few ways to be mitigated.
Peltasta also uses shield but its more PVE oriented (only taunt skill), but it can be usefull for blocking physical damge.
-
Rapier/Fencer - Don’t know much about this class, but it gives you great evasion skills and single target damage, I would say its more usefull in pve.
Sinergy:
Rodolero/Pelta and fencer have alot of sinergy and will make a great hybrid build for PvP and you will be able to tank alot of end game content with the right stats.
The Two-handed classes don’t sinergise very well with shield classes, but that doesn’t mean you can’t make it work you can swap weapons during skill animations and have a semi-fluid rotation, the main problem I see here is you would have to spent 2 circles in rodelero that would be better spent else where.
*** All thoose builds have very low CC and party utility, so for pvp/gvg you might also consider squire and corsair (ironhook can’t be resisted by bloodletting)
Hope it helps, good luck !