1. Juggs' content isn't in game yet and won't be for a few more updates. Generally if the quest log doesn't tell you to do something it's not something that's implemented yet.
2. Yes, all non-family characters get their own focus update that completes their story.
3. Family characters like Ashley gets content every other update, in the .0X.5 versions. Except Leslie, she gets content every update.
4. See answer 2
5. See answer 2
6. See answer 2