He shall spare
chuwc (khoos)
to cover, i.e. (figuratively) to compassionate -- pity, regard, spare.
the poor
dal (dal)
dangling, i.e. (by implication) weak or thin -- lean, needy, poor (man), weaker.
and needy
'ebyown (eb-yone')
destitute -- beggar, needy, poor (man).
and shall save
yasha` (yaw-shah')
to be open, wide or free, i.e. (by implication) to be safe; causatively, to free or succor
the souls
nephesh (neh'-fesh)
a breathing creature, i.e. animal of (abstractly) vitality; used very widely in a literal, accommodated or figurative sense (bodily or mental)
of the needy
'ebyown (eb-yone')
destitute -- beggar, needy, poor (man).