The term 'lay person' refers to someone who is not a professional or expert in a particular field. In this case, the crossword solutions for the term are 'POET' (4 letters) and 'MINSTREL' (8 letters). A POET is someone who writes poetry, often as a form of creative expression. A MINSTREL is a musician and singer who performs traditional songs and stories. Both poets and minstrels are considered lay people, as they are not professionals in their respective fields.