The term ONE NOT OF THE CLERGY can be summarized by two crossword solutions: LAYPERSON (9 letters) and LAIC (4 letters). A layperson is someone who is not a member of the clergy, such as a priest, minister, or rabbi. The term LAIC is derived from the Greek word 'laikos' which means 'of the people'. It is used to refer to someone who is not a member of the clergy and is not involved in religious activities.