Well the á½…ÏƒÏƒÎ¿Î¹
is the subject of the second sentence isn't it? While quite often (if not most of the times) the relative pronoun takes the case of the word it's well, related to
(in this case accusative), in this case it takes the case it should have: nominative.
Let's do a bit of analysis. (mind you I don't have the text in front of me now so I go with what I remember)
Sentence A)We, gather, the Trojans. Trojans is the object here so it is in accusative.
Sentence B) The Trojans live here. Trojans is the subject so it is in nominative.
I think it is clear if you think it in English. If we gathered the Trojans, who
So the first (Trojans) has
to be in accusative while the second has
to be in nominative (not really but let's not complicate things).
The fact does remain that á½…ÏƒÏƒÎ¿Î¹
refers to Trojans and the whole sentence is dependent. The case of the depenent word however is not determined by what it is related to but by what it's role within the sentence is (bar the exeption I mentioned first; this however is a quirk of the language that defies 'normal' syntactical rules)
Hope that makes some sense. It's too hot to think straight