Possible Clues:

• Banish from group
• Socrates and I are made to exclude from society
• Drive out vehicles reversing into French river
• Socrates managed to cross one and got cast out
• I, Socrates may exclude from group
• At sea coaster is cut off
• Raise cost somehow, or get cut off
• Socrates moved across island in exile
• Send to 33 across - Could be a sort of size, by the sound of it
• Banish very large wagon over current sulphur emissions, primarily