Possible Clues:

• Proclaim (religion)
• Take a perch to deliver sermon
• Lecture the pair individually
• Do as Amos Starkadder did, parking by range
• ''Practise what you . . . . . . ''
• Speak from pulpit
• Give moral or religious advice
• Declaim - before a church
• Advocate fruit to be infused with source of radiation
• Take the pulpit