Globally, Kariaka (Kariaka , Каряка ) is an extremely rare unknown gender first name. Much more frequently, Kariaka is the last name as well as the forename.
Кариака, and Карйака
Mykola, and Oleksandr
, Каряка 
) is an extremely rare unknown gender first name. Much more frequently, Kariaka is the last name as well as the forename.