Agile

Description
One of the new guard archetypes is the Agile which, as the name suggests is a very fast, lightly armored enemy. They even run faster than Ezio and also have the free-run ability leading to chase sequences. The Agile were designed to flee and alert nearby guards if Ezio is successful in killing a Brute or most of the enemies rather than fight or chase Ezio and stop him if the player attempts to flee in a fight.
Combat
The Agiles fight like most enemies only with short sheathable weapons such as daggers and short blades. They mostly appear in Venice.
If you confront an agile, you can attack him until you see he is becoming tired (you will know he is tired when he is lowering his arms and panting), then, he will be an easy prey four countering or a combo. This is explained by the trainer in Monteriggioni
Weaponry
The Agile wield small weapons such as daggers.
Intelligence, Agility, and Methods of Escape
Agiles are very fast, so taking to the roofs will not stop them. They can do all the free run acrobatics Ezio can do. The best method of escape is just damaging then throwing them then running to a hiding spot. Also you can just conflict them cause they are really easy to counter on.
Ranking
agiles are usually found in Venice and are hang around Brutes and more heavily armored guards.
Special Agiles
Usually shinier and more abstract design in armor distinguishes skill in the agile (add information of some one important on the game or a target that moves or attack like an agile)