Bolivian Spanish word
joven
Meaning: 'young one', friendly address term
How it is used in Bolivia
How staff politely address a stranger, whatever their age. Being called joven at forty is normal Bolivia, answer the question, no reaction needed.
Counter staff address customers as 'joven' or 'señor/señora' well past anyone's youth, warm-neutral service language. No reaction needed; you keep answering in usted.
Staff use 'joven' for adults of almost any age, it is warm service Spanish, respect rather than a comment on youth. Expect it from loaders, stewards and desk clerks.
Learn it in a real situation
Get Around Bolivia, Transport Spanish