A lighthouse or beacon
This is an interesting word to me because it obviously reminds me of Pharaoh, and the meaning isn't that far off either. Okay, probably only the Pharaoh and his truly loyal subjects believed this meaning. I'm sure the tons of slaves didn't exactly think of it the same way. But what interests me is how a name for the office was picked that fits the agenda for that office.
It's interesting - and tragic sometimes - what words are chosen for certain things. Whole political or religious structures are created and maintained by just the right words. And those who never really know the origins of words never figure out they're being subjugated for no real reason other than whatever they're told.
Anyway, didn't mean to get all serious on everybody. What imagery does this word evoke for you?