NET

21 They helped David fight against raiding bands, for all of them were warriors and leaders in the army.

Darby

21 And they helped David in his expeditions^D2405; for they were all mighty men of valour, and were captains in the host.

Darby Bible Notes

expeditions - Or 'against the troop' (i.e. of the Amalekites?).

KJV

21 And they helped David against the band^K2343[of the rovers]: for they [were] all mighty men of valour, and were captains in the host.

KJV Bible Notes

against the band: Or, with a band.

Strong's

21 And they helped^H5826 David^H1732 against the band^H1416 of the rovers: for they were all mighty men^H1368 of valour^H2428, and were captains^H8269 in the host^H6635.