Rooster not liking our new chic’s!!

[Timity]

We rescued this rooster in December. Put him with our two five year old hens, he made it clear he was in charge but that was it. The new rescue hens are three months old and he bombards them with barrage of spurring and pecking. He even now tried spurring myself and wife. He has been a sweet boy but now?
The two rescue hens are gentle and come two us wanting you to pick them up. They were raised in loving environment but could not keep them. Will he except these two? Or, rooster go by by? Not fond of his aggressiveness, and he’s so loud!

 

[BabasCoop]

U have to use the see but don’t touch method. Have the new hens close enough that they can interact and get used to each other but so there is a barrier and he can’t get to them. After several weeks they will become a normal part of his coop and u should be able to integrate them.

U can’t just stick them in there and expect them to get along. That is his coop and to him they are strangers in his house

 

[ChickenCanoe]

@BabasCoop has it exactly right. On top of that, I bet you didn't even quarantine the new birds for an appropriate amount of time and at sufficient distance.
A rooster's primary job is to protect HIS flock. That means he has to protect the first flock from interlopers. It is his genetically ingrained responsibility. New chickens could potentially bring disease (a threat to the flock), compete for food and water (a threat to the flock).

To put this in a different perspective, Imagine you and a friend welcomed a new man in your home and he became comfortable and was responsibly doing his part in the household. Then, a few new women who you didn't know, suddenly moved into the home. How would that feel?
Awkward!

Now that you made him mad about you disrupting his life, you are now the enemy that potentially continues to put his flock in jeopardy, you may be able to salvage him, but perhaps not. He may continue to see you as part of the threat to his ladies. Time will tell. But he is doing his job. Don't blame him.
People see chickens as homogeneous animals that are mix and match. But they are sentient beings with feelings and able to recognize 100 flock mates. The fewer birds in a flock and the smaller the space, the more compounded the problems may be.