Possible Clues:

• Show subservience
• Show obeisance
• Show subservience, in a way
• Use a prayer rug, e.g.
• 'Show respect for one who comes from Ireland, by the sound of it (5)'
• Use a prayer rug
• Use a pew for support
• Prepare to propose marriage
• Prepare to talk to a child, maybe
• Prepare for knighthood