Illustration by Luis G. Rendon/The Daily BeastThe country’s largest student loan provider, Nelnet, is under fire as borrowers say they are experiencing a litany of problems with the company as student loan payments restart. Frustrated with the lack of communication, people have taken to social media to share their stories and demand answers from the company. And most of them are still waiting.The Daily Beast spoke to more than a dozen people who said they are experiencing a diverse range of prob