Re: I am lost finding Jarrad
If you walk into Cheznaddar, past the inn (where you first meet Valerin), you'll come to a path where you have to turn left or right. There are stairs leading up right in front of you. Take the path to the left (don't go up the stairs) and follow it until it dead-ends. You'll pass a wide set of stairs on the right and a narrow set on the left. Just past the narrow set on the left is a Thieves' guild fence. The door nearest the fence at the dead-end of the path is Jarrad's house.
If you went into a house and found a home-owner that called the guards on you, it's possible you entered the wrong one. When you enter Jarrad's house, there is a hallway with a door on the left and a stairway that leads up a bit to the right at the end of the hall. That's where you'll find Jarrad waiting.
If that doesn't describe where you are, then you're in the wrong house... which is why you can't find Jarrad. If that description fits and you still can't find Jarrad, then your game has broken. You might need to restore an earlier save or start a new game.
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