1) Given name 
[given name] Vajk or Vojk (alternatively spelled as Voyk or Vayk in English, Voicu in Romanian) is an Old Hungarian masculine first name derived from the Turkic Bajik (or Bajiq or Bayk) which meaning is `True Man` or `rich, powerful`.{Better source|reason=a 132-years old source is a little too old|date=May 2014} Tatars used the name `Bayk` ...