preparationist
/ˌprɛpəˈreɪʃ(ə)nɪst/noun
1A person who favours military preparedness. Now chiefly historical.
2Chiefly North American History. A Puritan who believed that individuals could and should actively prepare themselves for salvation by means of a period of humbling submission to God's law.
adjective
Of or relating to preparationists or their beliefs.
Origin
Early 20th century. From preparation + -ist.