Definitions
1.NounThe captain of a bicycle racing team, who sets the pace.
2.NounAn experienced rider who organizes and marshals the motorcycle club on the road.
3.NounOne who is in charge of a group while it is travelling or patrolling a road
4.NounA leader who steers or directs a group.
5.NounA person who has official responsibility for maintaining a section of road.