resurrectionist
/ˌrɛzəˈrɛkʃ(ə)nɪst/ /ˌrɛzəˈrɛkʃənɪst/noun
1A person who illegally exhumes bodies in order to sell them to anatomists; a bodysnatcher. Compare resurrection man. Now historical.
2Chiefly Christian Church. A believer in resurrection.
3A person who brings something to light or notice again; a reviver of a disused practice or operation.
Origin
Late 18th century; earliest use found in The Annual Register. From resurrection + -ist.