Someone argues that Donald Trump threatens democracy, maybe because he's asserting authority against the judiciary or the media or the NGOs. Someone else counterargues that it hardly seems undemocratic for someone to favor someone who won an election (the President) over other people who did not (the judiciary, the media). If anything, it seems undemocratic to allow the unelected people to continue to obstruct and harass elected leaders.
The most common response is to say that fine, democracy is about who wins votes, but we also like liberalism, liberalism is under threat, it's too hard to talk about "liberalism" because in the US it sometimes means being left-wing, and so we use the related concept "democracy" as a stand-in. This is reasonable, and some accused-democracy-destroyers like Viktor Orban even accept it for themselves, calling their brand of government "illiberal democracy".
But I think there's an even stronger response that doesn't require admitting to a bait-and-switch: democracy isn't just about having an election. It's about having more than one election.
https://www.astralcodexten.com/p/defining-defending-democracy-contra
