Look theres nothing wrong with the guys role play. You don't like the fact that he's an ex corsair (which my character doesn't) ignore him, be rude, treat him like a ugly duckling do whatever short of "olol U R SPIE DAI."
For example yesturday:
One of the GC invited him to the group and I went: *spits* What the hell is he doing here? *mumbles* . My dislike for him being an ex-corsair shown done completed.