Refers to a person who is dissatisfied or rebellious.
El malqueriente del grupo criticaba constantemente las decisiones del líder, sin mostrar ninguna intención de colaborar.
The malcontent of the group constantly criticized the leader's decisions, showing no intention of collaborating.
El malqueriente del grupo siempre encontraba motivos para quejarse de las decisiones tomadas.
The malcontent in the group always found reasons to complain about the decisions made.