A president is a leader of an organization , company , community , club , trade union , university , country , a division or part of any of these, or, more generally, anything else.
Etymologically , a president is one who presides (from Latin prae- "before" + sedere "to sit"; giving the term praeses ). Originally, the term referred to the presiding officer of a ceremony or meeting (i.e., chairman ), but today it most commonly refers to an executive official. Among other things, "President" today is a common title for the heads of state of most republics , whether popularly elected , chosen by the legislature or by a special electoral college .
