European citizens retain the citizenship of their native country. They have relaxed travel restrictions to the rest of the European Union if their native country is a member of the European Union.
That depends on where you settle in. If you settle into a place that would make you a citizen, then you're a citizen. If you settle into a place that wouldn't make you a citizen, then you're not a...
Yes - unless they are a danger to themselves or others - in them situations their rights are taken from them - for the protection of others and for the person in general