layman

layperson, laic, member/one of the laity, congregation member, parishioner; amateur, nonprofessional, nonspecialist, nonexpert, average/ordinary person. Plurals: laypeople, laity, the laity, layfolk, members of the congregation, the lay public. Although "-person" words are generally not recommended, "layperson" has gained common acceptance and is one of the few "-person" words that does not seem to jar.