Related Clues:

• One saves, but it's more difficult with nothing coming in
• More difficult saving nothing — for this person?
• Compulsive collector
• Hard instruction about a magpie
• Saver could be tougher about love
• One giving little away, more difficult to grasp last part of manifesto
• Keeper who saves extravagantly
• One with a hidden store
• Selfish person? More difficult to keep nothing
• Magpie in greyish-white, colour seen from below
• More challenging to catch ball for keeper
• Taking in oxygen, increasingly difficult for squirrel
• Grey has overcome rise of red squirrel
• One with an amassed store
• Less easy to restrain old obsessive person