expecter
/ɪkˈspɛktə/ /ɛkˈspɛktə/noun
1A person who expects something.
2 Church History. Chiefly in plural Often with capital initial. A member of a 17th-cent. radical religious group that rejected the institutional church and its scriptures and sacraments in expectation of a miraculous event which would restore the true apostolic church.
Origin
Early 17th century; earliest use found in John Healey (c1585–c1616), translator. From expect + -er.