在政治、经济、文化和意识形态上游离于主流社会，不被关注、缺少归属感的社会群体marginalized person

• 在别人的国家，我永远都只能是个边缘人。

  In a foreign country, I can only ever be a marginalized person.

• “城市边缘人”的社会角色让他们面临着巨大的心理落差。

  Their social role as "urban marginalized people" meant they faced a huge psychological disadvantage.