Political prisoner
A political prisoner is someone imprisoned because they have opposed or criticized the government responsible.
The term is used by persons or groups challenging the legitimacy of the detention of a prisoner. Supporters of the term define a political prisoner as someone who is imprisoned for his or her participation in political activity. If a political offense was not the official reason for detention, the term would imply that the detention was motivated by the prisoner's politics.
Various definitions
Some understand the term political prisoner narrowly, equating it with the term prisoner of conscience (POC).
Amnesty International
Amnesty International campaigns for the release of prisoners of conscience, which include both political prisoners as well as those imprisoned for their religious or philosophical beliefs. To reduce controversy, and as a matter of principle, the organization's policy applies only to prisoners who have not committed or advocated violence. Thus, there are political prisoners who do not fit the narrower criteria for POCs. The organisation defines the differences as follows: