I think Cillin has fully grown up these past three months. He's a bit over two years old now.
He doesn't often bring the tribe around anymore. I get Treacle here a lot trying to keep an eye on everyone. I still touch Cillin's beak everyday by way of saying hello but I can almost see him shuffling his feet like a small boy whose mum has just ruffled his hair saying goodbye at the school gates.

He's the most senior rooster here now. He takes his hens where he wants. None of the other roosters bother him really. Thankfully he's very steady and never bothers the other tribes hens of chicks. Punch, Tribe 2 just moves his family away when Cillin shows up. Cillin doesn't drive him away and doesn't deliberately crowd Punch's space. Treacle has had a quick go at Punch and got badly shown up but seems to be learning from Cillin (his father) that conflict is best avoided.
This has delighted Fat Bird who can now go and get at ehr favorite dust bath spots and the fruit that falls in Tribe 2's territory. She hasn't been able to do this since the death of Major who was a Maran rooster and very much the senior rooster of Tribe 1. Basically Fat bird and Cillin are inseparable at the moment.
I'm a bit concerned about Mel. She spends too much of her day on full alert. It's understandable given she fought off a Goshawk when Treacle was just a chick. If you read the story that's Treacle in the pet carrier with Mel.
https://www.backyardchickens.com/threads/is-it-better-to-let-them-die.1268732/page-4#post-20418031