Agape Love is a peculiar one from all the kinds of love.  It is loving the powerless, the unlovable, the unworthy including the enemy.

Agape Love-Definition-Enemies
This is the love shown by God through Jesus Christ dying on the cross for sinners.  This is God’s communicable attribute that is shared by humans. Although humans cannot perfectly and absolutely follow they have the knowledge and are able to exercise or practice it.
This is said to be a perfect love transcending all circumstances. It does not lay criteria to the object or recipient. It satisfies itself by just being that kind and nothing else.

Agape Love-Definition-The crucified Christ