minoritario / minoritaria (adjective)

  1. minority (adjective), pertaining to a minority
  2. small, minor (in proportion or number)

El partido minoritario ganó solo tres escaños en las elecciones.

The minority party won only three seats in the election.

Esa lengua minoritaria la hablan apenas unas familias en el pueblo.

Barely a few families in the village speak that minority language.