1. A political candidate who is supported by and represents the interests of the dominant political party, establishment figures, or institutional power structures
The establishment candidate won the primary with support from party leadership and major donors.
O candidato do establishment venceu a primária com apoio da liderança do partido e dos principais doadores.
2. A candidate perceived as an insider or representative of traditional political institutions, as opposed to an outsider or insurgent candidate
Voters rejected the establishment candidate in favor of a political outsider.
Os eleitores rejeitaram o candidato do establishment em favor de um candidato de fora do sistema.