curate (n.)youdaoicibaDictYouDict[curate 词源字典]
late 14c., "spiritual guide," from Medieval Latin curatus "one responsible for the care (of souls)," from Latin curatus, past participle of curare "to take care of" (see cure (v.)). Church of England sense of "paid deputy priest of a parish" first recorded 1550s.[curate etymology, curate origin, 英语词源]
pastor (n.)youdaoicibaDictYouDict
late 14c. (mid-13c. as a surname), "shepherd," also "spiritual guide, shepherd of souls," from Old French pastor, pastur "herdsman, shepherd" (12c.), from Latin pastorem (nominative pastor) "shepherd," from pastus, past participle of pascere "to lead to pasture, set to grazing, cause to eat," from PIE root *pa- "to tend, keep, pasture, feed, guard, protect" (see food). The spiritual sense was in Church Latin (e.g. Gregory's "Cura Pastoralis"). The verb in the Christian sense is from 1872.