The Jakills. They got the name from Aja Killian, the Traveler from Veelox(of course, they don't know she's a Traveler)
A choir director.
a leader i think
A true leader tells the truth and leads its group properly. Leader has a responsible to guide his people in a right way. Leaders are called leaders to lead and direct his teritory
A Sixer is an older Girl Guide who leads a small group of Brownie Guides. This small group is called a Sixer and usually has six members.
The ringmaster. He leads the whole circus in fact.
Is a kind of management that handles, leads and guides people in the particular group like for example in school.
The two leads on a diode are called the anode and the cathode.
The County Commissioner leads the County government. There can be one or a group of commissioners.
Ralph leads the group to the ledge in chapter 6 of "Lord of the Flies." He takes charge and motivates the others to explore the island with him.
Lost Boys
The conductor or, if you want to get fancy, the maestro.
The person who leads prayers during religious services is called a Cantor.