Possible Clues:

• Showed me dad's rotten bananas
• Gave proof of evil spirits, taunted principally and scolded
• Fiend started to stir and protested publicly
• Fiend scolded after saint made public protest
• Proven expert said to welcome head of research
• Baddie, assessed by good person, protested
• Cruel person scolded by very good one gets shown up
• Established validity of protest by deputy head