Green’s Dictionary of Slang

roadie v.

to be a roadie n. (1)

[UK]Star (Sheffield) 20 Nov. n.p.: The author once roadied for the band [OED].
[UK]K. Sampson Powder 7: They’d even roadie for the Grams.
‘Elvis Costello’ Unfaithful Music 224: He had [...] roadied for Jimi Hendrix and had the pictures to prove it.