Please Help!!!! Bunny Over-Heated!!!!! :::(?

So I left my bunny in his outdoor pen in the shade while I was gone for an hour & I asked my Dad to move him if it got sunny there while I was gone & when I got back my bunny was in a different spot where it's always sunny & my Dad "did it on purpose" cuz hes a b*tch like always & Honey Bear was just laying there breathing kinda fast & I brought him inside & layed him on a soft towel with a fan blowing on him & got him to drink some more water plus I rubbed some water on him. What else can I do?!!!!! SSorryIm typing this fast & not caring about puncuation on here cuz I just need help! & plz dont say vet we have no money. dont evn use the wrd cuz i have no way to go to one srry anything will help PLEASE. he cant die on me ::( ::::(((