Sometimes we want to assign or unassign a specific contact to a staff member; there are a couple different ways to do so: 

Individual contacts: 

Go to the contact profile and change the group in the contact information 

​List assigned Staff:

Go to the contact group list and choose the contact you want to assign to a staff member:  

Click on "Assign Staff" and choose the action you want do, either assign or unassign the contact to a staff member.