What to do after to you get level 50?

[Conradus]

As a Gladiator 50 you are going to want to have your Supporting classes levelled up,
Keen Flurry, Raise, Cure, Sacred Prism, Stoneskin, Featherfoot, Second Wind, Provoke, Decoy, Invigorate

He's got Cure, Featherfoot, Second Wind, Provoke, but he needs the rest. Decoy is only moderately good since for a non-Archer, it won't dodge melee attacks.