Wife leaves husband in sickness with children. How to proceed ?

Rajesh underwent spine surgery, which resulted in weaknesses in both legs (Wife & they Assumed that he cannot walk in future & Waste) The attitude of wife, their family members changed. later on wife & husband had some telephonic communication problems fight between them. This leaded wife to bring brothers to fight with him. (He cannot move in bed at all ) used all mobility aids -wheelchair walker, elbow crutches, Splints on both legs. They took her & children's 2 years happening. Not seen children till today . No communication from them . (staying locally only) But .. Rajesh family members concentrated on his Rehabilitation process only. Meanwhile Rajesh recovered day by day.(walks around without any support of mobility aids) How can they attack a sick person..?? What he should do now...??questions to mind..?? (What she did all these days ... ?? Leaving sick husband) What measures should he take for future security. Christian Marriage.14 years.2 child. Please suggest & guide me.