My analysis: Grave has $153 for services that should've been rendered to HossBoss, who in turn has stolen $190 from Unb4nn3d. A thief has little sway in reports and no right to money scammed, as far as I'm concerned, and it's unwise to trust Hossboss' word that he'll repay Alex.
Verdict: Grave will pay Unb4nn3d the excess $153 within the next week, and, if HossBoss wants to rectify his misdeeds, he'll repay the remainder. If not, he'll regrettably remain a thief in the minds of those who enjoyed the time he spent here, me included. Worst case scenario, HossBoss refuses and Unb4nn3d walks away with 80% justice.