'Naive' implies discounting and then it is a matter where this discount was applied in the specific context. If it is a mental power then one may talk about offense, and if it is cultural then it might not be so.

>I agree.
>It's a matter of culture, not a language matter.
>You can call someone from my country naive (in English) an he didn't get offended
>because is his culture naive has not a negative meaning.
>It doesn't matter the language, but the culture where that person get its roots.
>For sure if I call someone from other culture naive, even in Portuguese, he will
>be offended (assuming that he speaks Portuguese).
>
>
>>I tend to think it is in the person listening. To me, naive is not a negative term at all, but typically used for the innocent and 'gullible' :o) Usually for young adults who haven't had sufficient experience in the 'real world' to become pecimistic yet....