Definition of harm. 1 : physical or mental damage : injury the amount of harm sustained by the boat during the storm.
Introduction / Definition: Legitimacy is commonly defined in political science and sociology as the belief that a rule, institution, or leader has the right to govern.
Once you have legitimacy with the population, the outcomes of an election can be subject to the idea of a mandate. This is where things get decidedly vague, though, since it's not entirely clear that just 'winning' the election is enough to claim a mandate.