Original text - Grieks - Η βελτίωση των οικονομικών της πόλης επέτρεψε την...

I have doubts especially in ηλιαστών,
for the dictionary explains it as [sunstroke]
but i think it is related to the ancient greek People's Court (Ηλιαία). So it may mean (judge)
Moreover, when I googled, I found more but indecisive:
I also found it has a feminine gender
so can I transalte it into (judge or judge from people)