You were a prison guard for ten years. - Sen on yıldır bir hapishane gardiyanıydın.
The prison guard made every prisoner write a novel. - Hapishane gardiyanı her hükümlüye bir roman yazdırdı.
A correction officer, correction official, corrections officer, corrections official, prison officer, detention officer, prison guard or prison warder is a person charged with the responsibility of the supervision, safety and security of prisoners in a prison or jail