1. A candidate for a position who is already a member of the organization, institution, or party seeking the position, as opposed to an external candidate
The board selected an insider candidate who had worked at the company for fifteen years.
O conselho selecionou um candidato de dentro da organização que havia trabalhado na empresa por quinze anos.
2. In politics, a candidate who is already part of the establishment or political system
The insider candidate faced criticism from voters demanding change.
O candidato estabelecido enfrentou críticas de eleitores que exigiam mudanças.