For most services, the following people lead at least one element.
Service Leader
An elder or pastoral resident who leads the service, typically by leading elements like the call to worship, confession of sin and assurance of pardon, and benediction.
Lead Worshipper
An elder or member who leads the music.
Complementary Scripture Reader
A member of the congregation who reads the complementary Scripture text.
Lead Elder
An elder who reads the Scripture reading and prays the pastoral prayer.
Preacher
An elder, pastoral resident, or guest preacher who preaches the sermon. The Preacher typically only preaches, though sometimes he will also lead the service or pray the pastoral prayer.
