In Búger, Mallorcan Catalan is the vernacular you will hear most in the village bar, the bakery, and at weekend socials; Spanish (Castellano) is universally understood. Agroturismo hosts often speak some English and German, but using a polite Catalan phrase earns goodwill with elders and makes menus like pa amb oli, sobrassada, and formatge maó easier to navigate.
Because the village has no on-site tourist office, most day-to-day interactions are with locals running shops, taxis, and buses to Inca and Palma. Knowing how to ask for the next bus, the bill, or the nearest centre de salut will smooth every practical moment of a rural stay.