Vanguard

مترادف و متضاد vanguard

1. noun The position of greatest importance or advancement; the leading position in any movement or field
   Synonyms: forefront, front, van, leaders, avant-garde, advance-guard, forerunners, precursors, spearhead, front-line, lead, front rank, leading, cutting-edge, new-wave
2. noun The leading units moving at the head of an army
   Synonyms: van