After some thought, I decided that providing some wages might serve well to convince some of the slave army to stay and participate in my mercenary group . For some of them, there was not much of a home to go to, and the others were born into slavery so joining seemed to be their best options to begin with. While hourly wages would surely be expensive, I'm sure some manner of compensation can be arranged, such as payments and shares in the spoils of war during Missions. This way would be far less harmful to the over all funds I have access to. I wont deny my greed in this regard.
Roughly fifty people decided to join: