He chose
bachar (baw-khar')
to try, i.e. (by implication) select -- acceptable, appoint, choose (choice), excellent, join, be rather, require.
David
David (daw-veed')
loving; David, the youngest son of Jesse -- David.
also his servant
`ebed (eh'-bed)
a servant -- bondage, bondman, (bond-)servant, (man-)servant.
and took
laqach (law-kakh')
to take (in the widest variety of applications)
him from the sheepfolds
mikla'ah (mik-law-aw')
a pen (for flocks) -- (sheep-)fold.
tso'n (tsone)
from an unused root meaning to migrate; a collective name for a flock (of sheep or goats); also figuratively (of men)