Abstract This article explains #servant_leadership theory in plain language for students while still treating it with the seriousness of a scholarly review. The central claim of the theory is simple to state and hard to practise: a true leader chooses to #serve_first, and the wish to lead grows out of that wish to serve. The paper traces the idea from Robert Greenleaf's original essays, through the ten behavioural traits popularised by Larry Spears, to the modern measurement