Answer:
I'm pretty sure its because they believe the pharos is closer to their gods than the citizens so they believe the pharos hold more power.
Explanation:
Jamestown was situated on a site that was too secluded for agriculture, in fact, the entire island was isolated because it was swamp-like and infested with mosquitoes and the only water came from tidal rivers. This water was unsafe to drink, which could cause health problems such as cholera, typhoid or dysentery. I give credit to @Barnuts
But i agree with this but hope this helps.
Motives for Exploration - Wealth and Religion. The motives for Spanish, French and English explorers were all different, although in some ways, they were the same. They all wanted to find the Northwest Passage, which they believed was a direct and efficient route to the Orient - home of spices, silks and wealth.