Get PeoplePicker Value on Nintex form -(Approval Limits)

 var traderList = 'Trader/Approver';var approversList = 'Approval Limits';


 NWF.FormFiller.Events.RegisterAfterReady(function()
{  
   NWF$('.ip-container').eq(0).addClass('ip-container nf-filler-highlightonvalidationerror ip-disabled');
   NWF$('.ip-container').eq(0).attr('style','background-color: #dedede !important; border:none !important;height:28px');
   NWF$('#'+approverType).attr('style', 'background-color: #dedede !important; border:none !important;width:458px;height:28px');
   NWF$('#'+approverType).prop("readonly", true);     NWF$('#'+traderDdl).change(function()
    {
     var id = NWF$('#'+traderDdl).val().split(';')[0];
             GetManagerOfTrader(id);
     });

});
var items;
function GetManagerOfTrader(Id)
{
  var ctx = new SP.ClientContext.get_current();
  var list = ctx.get_web().get_lists().getByTitle(traderList);
  var camlQuery = new SP.CamlQuery();
  var query = "<View><Query><Where><Eq><FieldRef Name='ID'/><Value Type='Number'>"+Id+"</Value></Eq></Where></Query></View>";
 
  camlQuery.set_viewXml(query);
  items = list.getItems(camlQuery);
  ctx.load(items);
  ctx.executeQueryAsync(OnSuccess,Onfail);
}
function OnSuccess()
{
 var count = items.get_count();
 if(count > 0)
 {
  var listItems = items.getEnumerator();
  while(listItems.moveNext())
  {
    var item = listItems.get_current();
    var managerName = item.get_item("Approver").get_lookupValue();
    var managerId = item.get_item("Approver").get_lookupId();
   // var approvertype = item.get_item("ApproverTypeLabel");
 var managerId = item.get_item("Approver").get_lookupId();

 var traderId = item.get_item("Trader").get_lookupId();
 var AppType = item.get_item("Approver_x0020_Type").get_lookupValue();
 
      //  NWF$('#'+FirstApprover).prop("readonly", true);
    var approverPicker = new NF.PeoplePickerApi('#' + FirstApprover);
 
 approverPicker.clear();

// RemoveOtherAppInApp1Field();
    var waitscreen = SP.UI.ModalDialog.showWaitScreenWithNoClose('Working on it...');
    approverPicker.search(managerName).done(function (data) {
                //add line manager to people picker field
    approverPicker.clear();
                approverPicker.add(data[0]);
                waitscreen.close(0);
                NWF$('.ip-item span div').eq(1).removeClass('ip-close');
             
             });
 
    NWF$('#'+approverType).val(AppType);      NWF$('#'+traderIdtext).val(traderId);

  }
 }
}
function Onfail()
{}


 function RemoveOtherAppInApp1Field()
 {
 var len = NWF$('.ip-disabled div.ip-item').length;
 if(len > 0)
 {
  for(var i=0;i<len;i++)
  {
   NWF$('.ip-disabled div.ip-item').eq(i).remove();
  }
 }
 }