A person or entity that spends money, resources, or energy.
From 'expend' (to spend) + '-er' (one who does). Latin 'expendere' (to weigh out, spend) forms the root, with '-er' marking the agent.
An expender is simply someone who spends—it's neutral until context adds judgment. A 'big spender' is admirable; a 'wasteful expender' is not. Same word, opposite meanings!
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