The Sponsor must be an Eastern Orthodox Christian who is a steward and in good standing, that is, current in his/her stewardship committment. If married, the wedding service must have taken place in an Eastern Orthodox Church.
For a Sponsor who is not a members of St. Mark, he/she must have a letter from his/her parish priest stating that he/she is a member in good standing. If the Sponsor is not an active member of any local parish then he/she must participate in a St. Mark Orthodoxy Studies Class that is offered several times each year.
If the Sponsor is a Steward of St. Mark, he/she must be actively participating in the life of the church, i.e. attend church regularly, receive the Sacrements regularly, and be current in his/her Stewardship pledge.