a person who guards prisoners in a prison compare guardTopics Crime and punishmentc2, Jobsc2(监狱的)看守;狱吏 Oxford Collocations DictionaryWarder is used after these nouns:- prison
Word Originlate Middle English (denoting a watchman or sentinel): from Anglo-Norman French wardere, from Old Northern French warder ‘to guard’. The current sense dates from the mid 19th cent.