Penologist
/piːˈnɑːlədʒɪst,pɪˈnɑːlədʒɪst/
Definition 1 of 1
Pro Tip 1/3Specialized Field
Penologist is used in contexts linked to prisons, not general criminal activities. 
He's studying to become a penologist, focusing on inmate behavior.
Pro Tip 2/3Academic Profession
Refers to someone expertly trained, possibly with academic qualifications. 
After her PhD, she pursued a career as a senior penologist.
Pro Tip 3/3Reform Focus
Emphasizes the rehabilitation aspect of a penologist's work, not just prison administration. 
The penologist implemented new rehabilitative measures for the inmates.