sorry to hear of all your problems.
As an EU citizen, you have the right to live in Malta
http://www.britishexpat.com/expatforum/ ... hp?t=21120
Rights of EU nationals
EU nationals have the right to reside in Malta if they are exercising any of their Treaty rights as workers, self-employed persons, economically self-sufficient persons or students
you also have the right to work here - from the same link
Employment/Self-employment
EU nationals and their family members can:
o accept offers of work and seek employment in Malta;
o work (whether as an employee or in self-employment);
o set up a business
as for how bankruptcy would impact this - I'm out of my depth, and I would really recommend you speak to an accountant in Malta to confirm this (you can find plenty by googling - there is also one on the recommended suppliers forum who several on this forum have used, including myself
http://www.britishexpat.com/expatforum/ ... =suppliers ).
Having said that, I doubt it would affect your residency rights - there are some allowable reasons for a state to refuse citizenship to an EU citizen, but they are very restricted - eg on the grounds of public health. Setting up a business - I'd expect any restriction to be the same for you as for a Maltese citizen in the same situation - I don't know what that would be