underprivileged

详细解释:a. 贫困的, 下层社会的, 被剥夺了正当权利的, 权益较他人为少的
【法】 被剥夺基本社会权利的, 穷的

英语解释：

形容词 underprivileged:

lacking the rights and advantages of other members of society

例句：

You should not be contemptuous of underprivileged people.你不应该看不起无权无势的人。