you seem to look on me as some shining sun, and on yourself as some tiny insect by comparison.
WHAT THE SHIT 'You are the sun and I am your worm!' (Pyotr's words). Are Shatov and Pyotr somehow parallels? I would consider it.
But because two of our main cast thinks of Stavrogin as some lofty creature and we the readers are even lead to see him like that, his confession at Tikhon's is made ever the more shocking.