Massive probs 6 months in

Hi all, I have just had a bit of a shock dropping my 05 Jimny In to two local garages following a new wheel bearing type noise, also asked them to take a look at wheel balancing ... turns out both garages say it is dangerous and unsafe to drive, they are shocked I bought it from a garage.as there are so many things wrong, none of which are new issues. Still pricing job but looks to be over a grand so far plus any other probs arising when they check fully on Monday. I did buy it 6 months ago this week, which I know is borderline re consumer rights.
Apologies for the long post. I am hoping some of you might say this is totally normal for 15 year old car (which is what the seller is saying). Or tell me I need to go to trading standards. Or the problems sound minor and I ust get it fixed
Details and email sent to trade garage seller below.
"...The known "Jimny Wobble" has masked lots of serious issues and two garages this week have told me it is dangerous and must not be driven; they are shocked that I bought this from a garage and feel that perhaps this was a part exchange quickly turned around without being checked over fully.
I am hoping we can have a conversation as I apparently paid £4k for a vehicle which is not drivable, worth nothing and with a large repair bill to make good. I am left with no vehicle in the meantime as I have been advised not to drive it, which I need daily.
So far the garage has identified faults and repairs required with the following from an initial one hour check - they will check it over thoroughly on Monday and are concerned that they will find more serious issues.
4WD not functional - vaccuum corroded and back axle prop shaft disconnected
dif very noisy at rear
offside front brake slider seized
offside front wheel bearing 
front swivel joint leaking
nearside front brake pads uneven"
Well done if you are still reading! I appreciate your advice.

Welcome to the forum.
Front vacuum lines are very prone to corrosion so that is reasonable.
Rear prop shaft disconnected? What the hell for, a Jimny is normally rear wheel drive when in 2 wheel drive. Disconnecting it shows a complete misunderstanding of how the car works. It also means that someone has messed about will the front system to make drive come forward which is going to have been even more of a hatchet job if the front vacuum lines are corroded.
Noise from the back diff is there normally but only very slightly it shouldn't be intrusive and if it is it could be indicative of failing bearings or even worn or damaged gears.
Front calipers are a swine for binding up and need fairly regular maintenance.
Front wheel bearings are usually fairly reliable in standard cars but aren't that hard to change.
Leaking swivel joints are a symptom of failing inner axle oil seals caused by dead or dying kingpin bearings, very common and quite easy to fix.
Pads being uneven are a symptom of stuck brake calipers.

Some serious stuff on that list and I would be wanting recompense if I had been sold a car in that condition.

Doesn't quite make sense. If the rear prop is disconnected and the 4wd is not functional then it would not drive at all?

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Most of the list is as said pretty normal and as 1 job is done the others would sorted ...ie..kingpins , bearings , swivel seals , brake pin......should have been sorted before sale on a £4 grand car.

As for rear prop disconnected ...Jesus ...if the vacuum pipes are so badly corroded that the vacuum dosen't engage at the hubs ....then yeah it is should not be driven on the road for any distance ..

How did they do that ? Do they mean front propshaft?

Thanks, sorry I don't know all of the ins and outs, just going from my notes following phone call from garage. I will raise your point with them on Monday....

Thanks for the detailed reply, I will discuss these points with the local garage so they can factor everything in. The seller is currently saying what do I expect for an old vehicle. Grrr!