#desertion__abandonment__defection  withdrawing support or help despite allegiance or responsibility; "his abandonment of his wife and children left them penniless"
  supertype:  withdrawal  the act of withdrawing
  subtype:  abscondment__decampment  the act of running away secretly (as to avoid arrest)
  subtype:  absence_without_leave__absencewithoutleave__unauthorizedabsence  unauthorized military absence
  subtype:  deviationism  ideological defection from the party line (especially from orthodox communism)

No statement uses or specializes desertion; click here to add one.