marginalise

/ˈmɑrdʒɪnəlaɪz/
verb
  1. To treat a person or group as unimportant or powerless, often by excluding them from society or opportunities.
    • In many workplaces, women are still marginalised in leadership roles.
    • The new law could marginalise immigrants by limiting their access to education.
    • Policies that ignore the needs of the poor can marginalise entire communities.