The Indonesian word "mangaku" doesn't have a single, direct translation in English, as its meaning can vary depending on the context. Generally, it can be translated as "to confess," "to admit," "to claim," or "to pretend." For example, "Dia mangaku bersalah" can be translated as "He confessed to being guilty." Another example, "Dia mangaku sebagai dokter" translates to "He claims to be a doctor" or "He pretends to be a doctor." The correct translation depends on the specific situation and nuance you want to convey.