Wander from a direct or straight course
Depart
Digress
Sidetrack
Deviate
Divert
Straggler
Go, come, or spread in a rambling or irregular way
Sprawl
Distribute
Spread
A wandering or disorderly grouping (of things or persons)
Group
Grouping
Straggly
A straggle of outbuildings
A straggle of followers