PRON-INDEF
(某行业或某地方的)重要人物，大人物
If you say that a person is someone or somebody in a particular kind of work or in a particular place, you mean that they are considered to be important in that kind of work or in that place.
例句
He was somebody in the law division...
他在法律部门是个人物。
'Before she came around,' she says, 'I was somebody in this town'.
“她来之前，”她说道，“我在这个镇上也算得上个人物了。”