Under what conditions can I be a citizen of a country but not have the right to live there?

The question arose while reading the VWP conditions for a travel in the USA... And suddenly I found this (emphasis mine):

To be eligible to travel under the VWP, British citizens must have the unrestricted right of permanent abode in England, Scotland, Wales, Northern Ireland, the Channel Islands, and the Isle of Man

Therefore the question.

Under what conditions can I be a citizen of a country but do not have the right to live there?

The question arose while reading the VWP conditions for a travel in the USA... where suddenly I've found this (emphasis mine):

To be eligible to travel under the VWP, British citizens must have the unrestricted right of permanent abode in England, Scotland, Wales, Northern Ireland, the Channel Islands, and the Isle of Man

Therefore the question.

Under what conditions can I be a citizen of a country but not have the right to live there?

The question arose while reading the VWP conditions for travel in the USA... And suddenly I found this (emphasis mine):

To be eligible to travel under the VWP, British citizens must have the unrestricted right of permanent abode in England, Scotland, Wales, Northern Ireland, the Channel Islands, and the Isle of Man

Therefore the question.

Under what conditions can I be a citizen of a country but not have the right to live there?

The question arose while reading the VWP conditions for a travel in the USA... And suddenly I found this (emphasis mine):

To be eligible to travel under the VWP, British citizens must have the unrestricted right of permanent abode in England, Scotland, Wales, Northern Ireland, the Channel Islands, and the Isle of Man

Therefore the question.

under what conditions can I be a citizen of a country but not having the right to live there...

the question arise since I am reading the VWP conditions for a travel in the USA...

and suddenly I've found this(emphasis mine):

To be eligible to travel under the VWP, British citizens must have the unrestricted right of permanent abode in England, Scotland, Wales, Northern Ireland, the Channel Islands, and the Isle of Man

therefore the question.

Under what conditions can I be a citizen of a country but not have the right to live there?

The question arose while reading the VWP conditions for travel in the USA... And suddenly I found this  (emphasis mine):

To be eligible to travel under the VWP, British citizens must have the unrestricted right of permanent abode in England, Scotland, Wales, Northern Ireland, the Channel Islands, and the Isle of Man

Therefore the question.