probation officer
noun [ C ] uk/prəˈbeɪ.ʃən ˌɒf.ɪ.sər/ us/proʊˈbeɪ.ʃən ˌɑː.fɪ.sɚ/
监视缓刑犯的官员，监护官
a person whose job is to regularly see people who have committed crimes and who are on probation, and to help them to avoid committing crimes again