supersessionist
/ˌsuːpəˈsɛʃ(ə)nɪst/ /ˌsuːpəˈsɛʃənɪst/ /ˌsjuːpəˈsɛʃ(ə)nɪst/noun
Theology. A person who believes in supersessionism.
adjective
Theology. Of or relating to supersessionism or supersessionists.
Origin
Mid 19th century (in an earlier sense). From supersession + -ist.