var BODY = {

    "recipients": {

        "values": []

    },

   "subject": 'TitleOfSubject',

   "body": 'This is the message body.'

}

var values = [], names = ['sheikh', 'muhammed', 'Answer', 'Uddin', 'Heera'];

for (var ln = 0; ln < names.length; ln++) {

    var item1 = {

        "person": { "_path": "/people/"+names[ln] }

    };

    values.push(item1);

}

var strJson=JSON.stringify(values);

alert("this is str:"+strJson);

    var jsonObj = jQuery.parseJSON( strJson);

alert( jsonObj[0].person._path);

$.extend(BODY.recipients.values, values);

console.log(BODY);