This won't end well, and even though he's small he can do real damage. He'd be going to be dinner for some nice family if he were mine! You can try to retrain him, but honestly, it's not going to make him safe. What idiot attacks the giants who bring food? His offspring are likely to inherit his behavior, and there are so many nice roosters out there, why feed this one? He doesn't love you!!! My first cock bird was a very nasty bantam, and I learned; only polite cockerels stay here. Mary