Path of relentless Persuit.

In your heart you know who your enemy is. In your heart you will persue them till they no longer breath, and when he falls their is always another enemy that gains your ire. No one can and will stand in your pursuit of them.

 

Declared Enemy

at lv 3 when you rage you can declare an enemy when you rage.
you get advantage on attacks and rolls against the declared target.
you get disadvantage on all other roll vs others. 
when declared enemy falls, use bonus action or reaction to change target or lose rage.

Juggernaught charge

At level 3

Juggernaut charge.-when you have a declared enemy you ignore difficult terrain, friends, enemies, and even walls when using your Dash action in your declared enemies direction.

Anyone or anything in your way must make a Dex save 8+str mod+ proficiency or be knocked prone and take 1d6+streanth modifier +rage in bludgeoning damage. damage die increase by 1 at 6th, 10, an 14th level.

you may use the Juggernaught charge without a declared enemy by sacrificing a daily usage of rage on your dash action.

using Juggernaught charge still provides attacks of opportunities.

Ignore the Pain

at lv 6. as a reaction can sacrifice a daily usage of rage to ignore damage from any one source. 

when having a declared enemy gain resistance to all damage, and immune to Fear and Charm. 

I know where you are!

At level 10

you know the general direction of your declared enemy anywhere on the battlefield. (range 120ft).
and get a +10 perception check vs their stealth check to hide if they attempt to hide from you.

Can't get rid of Me

at level 14 while declared enemy is active you can not be restrained by any means.
any attempt to remove you from the battle field magically such as banish fail as long as your declared enemy is on the battle field.
you can sacrifice a daily usage of rage as an action to return to the battlefield where you were removed if removed magically on your turn if you don't have a declared enemy.

Can't hold me

cannot be restrained by any means