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A prisoner is an individual held in confinement by judicial authority, often after being convicted of a crime. Historically, prisons were primarily for debtors and those awaiting trial, with imprisonment rarely used as a punishment. However, the concept evolved, and by the early 21st century, imprisonment became the most common severe punishment globally as capital punishment declined.1

Prisons serve multiple purposes: deterring future crimes, punishing offenders, facilitating personal reform, and protecting the public. Different security levels exist, from high-security facilities for dangerous individuals to lower-security options for those posing less threat. Prisoners retain fundamental human rights, including humane treatment and respect for their dignity.234

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