Inquisitor Karo can be found in the Maz-Arjeni Tomb. She's an Inquisitor of Bast who is involved in the quests Zealot of the Dark Queen & Good Tombkeeping.
Inquisitor Karo has a one-time handjob scene during the quest Zealot of the Dark Queen.
Location 1 (during Zealot of the Dark Queen)
Location 2 (during Good Tombkeeping)
Location 1 (during Zealot of the Dark Queen)
Location 2 (during Good Tombkeeping)