
1) Greek hero cult
Found on
https://www.crosswordclues.com/clue/oikistes

When a Greek polis chose to settle a new colony (apoikia), an individual - the oikistes (οἰκιστής)- was chosen as leader and invested with the power of selecting a settling place, directing the initial labors of the colonists and guiding the fledgling colony through its hard early years. ...
Found on
http://en.wikipedia.org/wiki/Oikistes
No exact match found.