Possible Clues:

• One poses to rest it afresh
• Necessity for some, in order to go to the movies
• He won't stand for being portrayed
• Catch one in a chair
• A model parent surrogate
• A sedentary baby minder
• Childminder becomes a model
• Easy chance in sport
• You can't miss it, notwithstanding the artist may have one
• Sedentary child minder