There is a difference between preserving purchasing power and trying to increase your purchasing power by navigating your way through risk. Savers are "risk averse". That's the very definition of a saver. Any deviation from full risk-aversion and a saver becomes something else; an investor, a trader or a speculator.
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http://fofoa.blogspot.com/2012/02/glimpsing-hereafter.html
There is a difference between preserving purchasing power and trying to increase your purchasing power by navigating your way through risk. Savers are "risk averse". That's the very definition of a saver. Any deviation from full risk-aversion and a saver becomes something else; an investor, a trader or a speculator.