1. 少数; 少数派
    If you talk about a minority of people or things in a larger group, you are referring to a number of them that forms less than half of the larger group, usually much less than half.

    e.g. Local authority nursery provision covers only a tiny minority of working mothers...
           当地政府提供的保育服务只有少数上班族母亲才能够享受到。
    e.g. These children are only a small minority.
           这些孩子只是很少的一部分。

2. 少数民族；少数群体
    A minority is a group of people of the same race, culture, or religion who live in a place where most of the people around them are of a different race, culture, or religion.

    e.g. ...the region's ethnic minorities...
           这个地区的少数民族
    e.g. Students have called for greater numbers of women and minorities on the faculty...
           学生要求聘请更多女教师和少数民族族裔的老师。