  The lightest baryon octet is studied within a covariant and confining
Nambu--Jona-Lasinio model. By solving the relativistic Faddeev equations
including scalar and axialvector diquarks, we determine the masses and axial
charges for \Delta S = 0 transitions. For the latter the degree of violation of
SU(3) symmetry arising because of the strange spectator quark(s) is found to be
up to 10%.
