Talk:Leviathan Movement

Why is the name of this subject anglicised to Leviathan from Levijatan?
Why is the name of this subject anglicised to Leviathan, when it is actually Levijatan in Serbian Latin alphabet that they use in their own logo?

Does such a change not violate the rule of authenticity? It is not as if this obscure "movement" is so well known in the Anglosphere that it has been established under ths spelling that the Enlish speakers find more usual for a totally unrelated concept from the Old Testament.