demarcator

From demarcate +‎ -or.

demarcator (plural demarcators)

1. One who or that which demarcates.
   • 2013, Jane Duran, Worlds of Knowing: Global Feminist Epistemologies, page 256:

     Part of the difficulty with this task, as we have seen, is that there may be no ready demarcators of gender divisions, or, if there are such demarcators, they may not be made along lines that are susceptible of analysis in Eurocentric terms.