Wat to do if you've been badly betrayed...?

Wat happened was... I liked actually loved a guy... Wen i was in 6th standard... I told him hw i felt bout him in 8th... V eventually grew osum frenz.... Ppl olwayz said dat he isnt a gud guy n hez not worth my love... But i ignored it ol... N finally in 9th he asked meh out... V started dating but din let nyone noe bout it... Only my bst fren new bout it... Me n dat guy share a family link olso...n wat happened was... On his birthday... He coled meh n said he said he wanted a gift... He took meh to a place... Where no one was around... N tried to **** meh... i thot mayb itz his love.... So i was happy... But wen he ped out frm da school... Ppl told meh his secrets n dat he was just using meh n my love... He toked to meh on loudspeaker... Wid his frenz around,... He told everyone dat i was ready for a one nite stand wid him... Which relli shocked meh...!!! I gotto noe dat -dat guy just noez hw to use ppl... N i was badly hurt.... I donno but i can neva forget wat he did... He made a fool out of meh... Spoilt my reputation infront of everyone.... N he dosent noe dat i noe ol dis...coz i don wanna put da ppl into trouble hu hav told meh bout it,.... Coz hez a vry smart n clever person.... But i relli want my revenge... I cant just sit here n cry.... Plzz suggest meh sumthin....!!!!