Kenn

Kenn is a Quarian merchant that runs a salvage operation on Omega station. He arrived there while pursuing his pilgrimage, but was trapped when all his money was stolen and he could no longer afford to leave. Another merchant, Harrot, is preventing him from earning enough money with his salvage operation to leave the station by forcing him to sell his goods at higher prices, costing Kenn business.

Kenn offers you the Struggling Quarian quest.

If you have high enough Paragon or Renegade, you can persuade him to lower his prices for you. Forcing him to lower his prices through the Renegade option gives you a further 5 Renegade points.