a market 'leader' [=a product or company that is more successful than all competing products or companies]
He is the league 'leader' in home runs. [=he has the most home runs in the league]
He's a 'born/natural leader'. [=someone who has qualities that a good leader has]
(..) (CROWD GASPS) Look at these people! They no longer support me! Look! Why would they? I am your leader, and I just left! What kind of leader does that, huh? (SHOUTING) What kind of king abandons his people? What kind of father abandons his sons? So, who wants to be king? (..)2016 TvShow: Vikings Title: The Last Ship Season: 4 Episode 10