vasya33

var Media = {
  Mname: [
    { name: "vk" },
    { name: "tg" },
    { name: "inst" },
    { name: "facebook" }
  ],
  Link: [
    { link: "vkontakte" },
    { link: "telegram" },
    { link: "instagram" },
    { link: "facebook" }
  ]
};

for (var i = 0; i < Media.Mname.length; i++) {
  console.log(Media.Mname[i].name + " - " + Media.Link[i].link);
}