Was it rape or sexual assult or something like that

k SO I have bin going out with dis guy for 2 weeks hes name is mathew brownive known him since the second grade and his twin sis is mah bff he has kissed my on the cheek and I want him to do it again but that kis was only doen because if he didnt do it I would b hurt by my ex who is TALL VERY LIKE MAKES ME DO STUFF I don’t WANNA DO LIKE ITS PAY BACK FOR ME (CAUSE I’ve KNOWN HIM SINCE WE WERE 2 AND WE are ONLY GOOD FRIENDS NOW SINCE I DUMPED ME ) so yea he only did it for that and he got told to do it again the other day by brandon ( that guy from before)and matt didnt do it cause he new I was sad and needed comfort not kisses so brandon slapped me accross the face punched me in both my arms and in the chest and start touching me near my va-jay-jay and chest and I started to cry because I hurt and then when brandon saw I was crying he punched matt to and they had a huge fight over me it was like brandon wanted me back again and now matt is near me 24/7 wich I don’t mind but brandon is always behind us like he is trying to get us to break up so he gets me back but I love matt and now I cant go near matt without brandon behind me what do I do was what brandon did considerd rape or sexual assualt or anything I need to no how to prevent things like this from hapening again please help me please I beg you