He is definitely being aggressive with you if he's dropping his wing and pecking you. You need to walk around him with confidence and pick him up and carry him around like a football when you can. He's teenaged and he's hormonal. If he doesn't improve, then he may not ever and you will have to consider whether you want to keep him and put up with him or not. You can do a search or you can go into some of the other forums to find advice on roosters.
Centracid has a lot of good advice too. They get on here and post from time to time.
Centracid has a lot of good advice too. They get on here and post from time to time.