Tame Beast is how hunter get new pets. The channel time is ten seconds. This is the challenging part and it's what makes some pets challenging to acquire.
In theory it could be used as a [bad] form of CC. Yes, let me state that again with more specifics. Before a pull a hunter could not have an active pet out and could have a spare stable slot. If one of the mobs was a beast, she could in theory tame it and use it like a normal pet. The issue of course is that Tame Beast doesn't work like CC. The start of the very long channel initiates combat. That channel is broken from any damage. It is also broken if the pet focuses its attacks on someone else.
So in theory, a hunter could start a tame, lead it to a trap and then once tamed, use it to finish off the other mobs. (Or immediately dismiss it.) The problem is that this theoretical and not
Let's pause for a moment and think about heroes from movies who were "hunters" or "beast masters". They could soothe pets to sleep. They could exert mental control over beasts and get them to do things. They didn't simply tame one and "train" it or "tame" it and keep it forever.
Priests can Mind Control humanoids. Druids can Hibernate Beasts and Dragonkin.
Hunters need a Control Beast ability. What should it look like?