  A model for low-energy meson-baryon interaction in the strange sector is
presented. The interaction is described in terms of separable potentials with
multiple partial waves considered. A general solution of Lippmann-Schwinger
equation for the scattering of spin zero and spin one-half particles is
derived.
  Next, the general framework is applied to the $\bar{K}N$ sector in a simple
model with only the S- and P-waves taken into account. The separable potential
is designed to match the chiral perturbation theory at lowest nontrivial order.
It is shown that although a simple model with three free parameters works well
for the S-wave, it fails to reproduce the P-wave features of kaon-nucleon
physics. Most importantly, the P-wave interaction is too weak to express a
resonant behavior that could be identified as $\Sigma(1385)$ resonance.
