door-to-door religious solicitor; door-to-door preacher
Refers to a person who goes door-to-door to recruit members or spread a religious message. Often used in contexts discussing religious groups or cults.
昨日、宗教勧誘員が家に来た。
Yesterday, a door-to-door religious solicitor came to my house.
I looked up how to refuse visits from door-to-door preachers.