During a comp match, someone on the opposing team randomly said my full name In All chat and then began to say stuff like my country, city, and my school. He/she kept threatening to say more and more if we don't ff as the game went on. Now...

My game was lagging a lot and suddenly as I was in a queue for Unrated, my screen became blank(white) . I went to desktop and returned and then after a few seconds I see the agent selection screen(below). I cannot see my other teammates....