I need some help at school with my friend relationships!?

My bffl has a crush on one of our guy friends. She is friends with him too, but I hang out with him more cuz she is kinda shy around him. Him and i hang out a lot and hes rly nice and funny, but my friend called dibs and i just wanna be friends with him. But there have been some problems with my friendship with him. Kids in my cl will go up to me and be like "do u like (name witheld)?" and once my guy friend was trying to get my attention so the kid next to him says "hey (my name), your boyfriend wants to tell u something!" Ugh! My girl friend doesnt know about all this yet and i dont want her finding out. Plz Help!