In the entire world, Zairullin (Zairullin , Зайруллин ) is an extremely rare unknown gender first name. Much more prevalently, Zairullin is the last name as well as the forename.
Заируллин, and Зайруллін
Rustam
, Зайруллин 
) is an extremely rare unknown gender first name. Much more prevalently, Zairullin is the last name as well as the forename.