vanguard

etujoukot

edelläkävijät, suunnannäyttäjät, eturintama

etujoukko The leading units at the front of an army or fleet.
puhekieltä The person(s) at the forefront of any group or movement.
(quote-book)|title=(w)
(quote-journal)|date=17 November 2014|passage=One minute this "Jihadi John" was struggling to get by, and get accepted, in drizzly England, unemployed with a mortgage to pay and a chip on his shoulder, and the next he stands in brilliant Levantine sunlight, where everything is clear and etched, at the vanguard of some Sunni Risorgimento intent on subjecting the world to its murderous brand of Wahhabi Islam.