cripple -- (someone who is unable to walk normally because of an injury or disability to the legs or back)
Overview of verb cripple
The verb cripple has 2 senses
cripple, stultify -- (deprive of strength or efficiency; make useless or worthless; "This measure crippled our efforts"; "Their behavior stultified the boss's hard work")
cripple, lame -- (deprive of the use of a limb, especially a leg; "The accident has crippled her for life")