need help plzzzzzzzzzzz

the guy that i liked before became another person that was so bad to me really before i like him much but now he wasnt any thing to me because what he dicho he dicho about me bad words and he doesnt like me and ,he dicho that i am like the rabbit and laugh and when i talk to him in the facebook like i dicho to him happy birthday in his birh he avoid me and laugh about that he didnt dicho any thing of this infront of me but he only avoid me and dicho this bad words about me to his sister and some of his family i know them and talk to them and they dicho what he think about me .. know i was so angry from him didnt know what i could do ,sent him messege in the facebook and then blocked him o what really i didnt know plz help me cause i became so sad >.<