刑罚学家

【法】 penologist

刑罚的英语翻译：

penalty; punishment
【法】 criminal penalty; infliction; pains and penalties; penal treatment
penalty; punishment; sentence

学的英语翻译：

imitate; knowledge; learn; mimic; school; study; subject of study

家的英语翻译：

a school of thought; a specialist in certain field; family; home; tame
【法】 home