There are only two simple requirements for members at FBCS:
Receive Christ Jesus as Lord of your life. - Receiving Christ means turning away from the sinfulness of your life and asking Jesus to forgive you and to be (Lord) in charge of your life.
Following the Lord in baptism by immersion after you have believed. - If you have received Christ and followed in believer's baptism by immersion at a previous church, FBCS will receive you into the membership.