What Causes Limping While Walking?

I need help with this diagnosis please.A 60 yo male presents with a limp that he had since childhood-when he walks, he takes a step with his right leg, then leans all the way over to his right so that he can swing his left leg to take a step he reports one major inllness as a child, after which he developed this limp-which of the following nerves is most likely injured?a)inferior glutealb)L5 and S1 c)Obturatord)S1 and S2>e)superior gluteal