Slaver - slavery is alive and well in star wars, and someone has to get all the twi'lek dancers, wookie workers, and beasts for hutt fungeons. Focusing on bringing in living creatures and counterpoint to the assassin. Also trandoshans are known for slavers and gives a good fit for adding Zygerians.
Is slavery still going to be 'alive and well' in the Disney-approved version of Star Wars? Almost everything we know about SW slavery is EU, and it's a subject Disney might choose to flush.