From Discworld MUD Wiki
Pursue is a command that causes your character to follow another without their consent. The other character may choose to lose you. This will match your adventuring.movement.following.pursuit against their adventuring.movement.following.evade.
It is also possible to suppress your ability to evade and lead on someone with the setting:
options combat suppress_evade
Those who are being led in this fashion get skill checks to notice this.