The Drone, Stalker or Worker is a form of the Xenomorph. It is a loyal servant for the Queen.
It makes hives and collects bodies for comatose (Alien birth).
The Drone is shown to possess incredible strength.
Drones are stealthy, and will lie in wait for their prey to come within striking distance staying as motionless as possible until its too late.
Drones are usually solitary, even in a hive.