Random man texing me ?

someone just texted me saying if i was dannielle so i asked who it was and they answered with there name and i told them to leave me alone by saying to bog off and daying bye and he said my attitude stinks and that wait for tomorrow to see what happens , and that when he does meet up with this danillele hes gonna ask her to sort me out and im scared becouse i think there much older than me :(