What is a bru?

A 'Bru' typically refers to a professional barista, someone skilled in preparing and serving coffee and espresso drinks in coffee shops or cafes. Baristas are knowledgeable about different brewing methods, espresso machines, and coffee bean varieties, and they often create latte art for customers. In some contexts, 'Bru' may also be a colloquial term for a friend or buddy, but in a job setting, it most commonly relates to coffee preparation experts.