As employees come and go, you'll want to create new users and deactivate the ones no longer employed by you.
You don't want to change the route name to a new employee because that also changes the history as to who completed those stops. This is not good should you be audited.
Deactivate the original route
Create a new route for the new person
In the Deactivated route, move the work to a new route
Assign it to the new route
The way the work orders are connected to the tech in the database is through the route, so when that is updated in the user profile, the original tech is no longer connected to the work order.
Use the following procedure to activate / deactivate a tech:
Click the Settings gear icon in the upper right
Click Users & Routes
Deactivate the former user
Click the Update user button
Click the New User button in the upper right
Add the new user and route
Click Edit to the right of the user whom you deactivated
Click Move Work to Another Route
From the Destination Route drop-down, select the new user
Click Move Work Now
Note If the route is updated in the profile and not 'moved' then the service history will not be accurate (updating the profile updates the service history).
See also: Cannot delete route with work orders