Any class will do but not musket type chars (Panzer/Sniper) They suck in general i think cmiiw in this community.
If you want to farm gold go entrapper with elf build link below:
If you want hit and run and don't wanna spend a dime go AR human, in recent patch it boosted alot :V, for guide link also below:
Path for TM i think the best class around for PVP if you have the means:
Edit: Good luck Anniversary is around the corner tho August right? @Orange