A chaplain is a priest/vicar/imam attached to non-religious institutes
Their job is to provide pastoral care for patients, pupils or prisoners
They provide counselling to prisoners, supporting them through the reform and seeing to their religious needs
They are emotional support. They help prisoners deal with a mix of emotions such as fear, loneliness and concerns about family
They help prisoners re-enter the community
They help families of prisoners, as they can be victims because of the the imamates' crimes