Originally Posted by
Greenish
Freeport is in Golarion, to the best of my knowledge. There are a few interesting candidates from Inner Sea World Guide.
There are The Eldest, mysterious semi-divine powers from (de-facto) fey realm. Of interest might be Count Ranalc, CN, whose areas of concern are betrayal, exiles, and shadows, or Lost Prince, Neutral, whose area of (very little) concern is basically brooding.
Though, I don't see how worshipping a deity that's not interested in anything that's going on will help to motivate your character.