An amateur, someone who dabbles in a field out of casual interest rather than as a profession or serious interest.
A person with a general but superficial interest in any art or a branch of knowledge.
Pertaining to or like a dilettante.
Someone who is not a professional in a given field.
A common person.
Layperson, someone who is not an ordained cleric or member of the clergy.
A generally ignorant person.
Lay-sister or lay-brother, person received into a convent of monks, following the vows, but not being member of the order.
A person who is untrained or lacks knowledge of a subject.