Every circumcised child has someone who takes care of his income and expenses and holds his arm and leg during circumcision.

This is the person who has half the rights of the father over the child, this person is called kirve.

The duty of the kirven is to help with the economic expenses of the circumcised child, to organize the circumcision ceremony and to help the circumciser during the circumcision of the child and to ensure that it is done comfortably.