Actually everyone deserves the seat tho but
First Tell the old woman to have the seat and then keep the baby on her lap.
Cause her bones is too weak to stand
With the help of the woman, the woman is still young so she will support the handicapped guy and would make sure he doesn’t fall.
Then I’ll search for a seat for him.cause hes in pain too
Ignore the zombie, the zombie's life is useless no need to save the life