They had problems with trade because of the unstable government so they couldnt make "money" as easily
c. 1500, "to light up, shine on," a back-formation from illumination or else from Latin illuminatus, past participle of illuminare "light up, make light, illuminate." Earlier was enlumyen
They were usually paid the ransack enemy ships rather than focusing on anyone else, they delivered information to people under the radar as well.