If a girl calls a guy 'buddy', does that mean he's friend zoned?

Anonymous
Ok, this is gonna be a simple question. Suppose a guy and a girl and just acquaintances (the guy is just helping her in preparing for job interviews because they both have the same qualification, and the guy has 3+ years of experience, while the girl is a fresher). They know nothing about each others' personal lives. In such a cases, if the girl keeps addressing this guy as 'buddy', does that mean she has already friend zoned him?

P.S. Please remember, as of now the guy doesn't really have any feelings for her. But since the girl always addresses him as 'buddy', is he giving him a clear sign that he shouldn't fall for her at any point in the future?
Updates
+1 y
One thing to note, English isn't her native language, and her grammar and vocabulary are quite poor. And sometimes she can't really string together proper words for a sentence. The only reason she and the guy are communicating in English is because that's the only language common to them. So, does this fact mean anything with respect to my question?
Updates
+1 y
Ok here's another update, which the guy told me now. It seems almost always she calls him 'buddy', but there has been a couple of times when she has called him 'dear'. Does it mean anything?
If a girl calls a guy 'buddy', does that mean he's friend zoned?
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