Addy

Addy is a noblewoman who can be found wandering about in front of generic home 1 in the district of Central Baldur's Gate. She will approach the party upon sight and, recognizing Gorion's Ward by name, beseech the party to investigate the Iron Throne Headquarters one more time. After which she will walk away and disappear.
The conversation also results in the following Journal entry in the quest section under the title "Rising Tensions with Amn".