system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: What does it mean to play "Devils Advocate"?
gpt
When the Catholic church makes certain important decisions, like making someone a saint or appointing a cardinal, they elect someone to represent the interests of the Devil, as a sort of "let's make sure that we have covered all bases"  move. This is to make sure that they are making a good, well-thought decision. The word for "lawyer" in many languages is "advocate", so essentially someone is acting as the Devil's lawyer.

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The term has moved into common English (and probably lots of other languages) to mean the person who brings up a point that people do not necessarily agree with, but should be considered.