My bunny is angry its like he is doing like roar! he stamps with his feet and knorrrr!?

my bunny (7 weeks) is aggressive but i don't want to take him away, he is doing like knorr! roar and you know he says roooaar! like a pig is knor knor you know? help he is scared also and runs away from me ..... but i love him sssooooooo much! please help! :'(