Complex sentence: A layperson (or layman or laywoman) is a non-ordained member of a church, or a person who is not qualified in a given profession or does not have specific knowledge of a subject.
Split into simpler sentences: A layperson (or layman/laywoman) generally refers to a non-ordained member of a church. Depending on context, it is often used to mean a person who is not qualified in a given profession or does not have specific knowledge of a subject.