marcher

noun

1. (historical)An inhabitant of a march (border country); specifically, a marcher lord.
2. (historical)A border territory, a march (now only in (attributive) use).

   “Here is a scene of the marcher state of which they were margraves being turned into a duchy under Henry II Jasomirgott, who has made his capital at Vienna.”

3. One who marches; one who participates in a march.

   “Mr. Nelson covered the Selma-to-Montgomery freedom marches, including Bloody Sunday, on March 7, 1965, when 600 marchers were attacked with billy clubs and tear gas.”