NEED ADVICE!

If he has a flare up just take a yard stick or a stick and hit him.. plain and simple. It has fixed several roosters and is a tried and true method. Don't have to knock him out but a good rap will usually settle them down after a few times. Least towards people.

 

I had a blue Marans that would attack me every time I went into the yard. I will not put up with an aggressive rooster no matter how pretty they are so I sent him to freezer camp. The best advice I can give is eat him, once they see you as a threat and start attacking you there is not much you can do to change them, IMHO.

 

I have a cukoo marans rooster and he is my nicest guy. I did read (probably here somewhere) that someone was taking a big fishing net to catch mean roosters and using it to put them in a "time out" cage every time they were aggressive towards her.

Good luck, I have a blue copper marans rooster who doesn't want my hands in their little coop to change the water or add more food but when I let him out yesterday to free range, he was a nice boy to me and even went back in when I walked his ladies in. I was amazed!

 

Has he actually been aggressive toward you? I may not hit him with the stick, but carrying a stick or rake around to block advances from the rooster could give you more confidence around him. Check out this thread for some more ideas:
https://www.backyardchickens.com/t/...aining-an-aggressive-rooster/70#post_10598434