Related Clues:

• Insistent one
• One who exhorts
• Lobbyist, e.g.
• Person exhorting
• What an elbow to the ribs can act as
• 'Inciteful' one?
• Proponent
• Prodding person
• Prompter
• Pushy person
• One prodding
• Elbow to the ribs, perhaps
• Encouraging sort
• Exhorting individual
• Insistent pusher