Rend
To tear something into 2 or more pieces
He was hoping for a card on Valentine's Day, but unfortunately his love was unrequited.
His love was not returned.
A rebel or Revolutionary (noun) OR rising in active revolt (adjective)
Insurgent
Obdurate
Stubbornly refusing to change one's opinion or action
The man remained stolid and calm during the arguement.
The man did not show emotion
To suffer death
Perish
Disparity
A great difference
I tried to argue my point with him, but he was obdurate.
He stubbornly refused to change his point of view.
Calm and showing little emotion
Stolid
Denounce
To publicly declare to be wrong or evil
The organization denounced the use of violence in protests.
They spoke out against the use of violence.
admit that something is true or valid after first denying or resisting it.
Concede
Unrequited
Not returned or rewarded
I am a kind person and don't have malice toward anyone.
I don't have bad feelings or ill will.
The intention to do wrong
Malice