Possible Clues:

• Gather in great numbers for a service
• Hoard tea that's brought forward in the morning
• Emulate a magpie
• Build up in a heap
• Accumulate a symbol of 8
• Put away for a rainy day
• Round up
• How silly I am to make a lot of money
• Gather it's what people may go to church at Christmas for
• When to ring mothers collect ...