This is the 3419th most frequent Portuguese word.
judoca
A "judoca" is a judo practitioner.
Here, 'judoca' refers to a person practicing judo, functioning as the subject of the sentence.
O judoca venceu o torneio de jiu-jitsu.
The judoka won the jiu-jitsu tournament.
In this sentence, 'judoca' indicates the role or sporting category of the person trained, functioning as a predicate noun.
Ela começou a treinar como judoca desde criança.
She started training as a judoka since childhood.
Here, 'judocas' is used as a plural to refer to a group of people who practice judo, functioning as the subject.