Boggart-Boggart In the Career position Hidden career. Meaning: When the Boggart appears in your cards, he indicates that there will be trouble or some disturbance at home. There may be family arguments, quarrels, and disruptions, perhaps involving a troublesome child or teenager.
I don't agree with all of these (wasps/bees? Being buried alive? I mean I do fear these things, but how is that related to my being a Slytherin? Where'd that come from?), but definitely the failure, death, and being alone (though I think we're rather solitary).