The name of the role can be updated at any time. Changing the name and will update all existing contacts to display the new role name. Update the name of the role by:
Go to: Settings > Contact lists > Roles.
Click the row for the role that you want to update, or click the action button and select 'edit'.
Type the new name for the role.
Click save and close.
Repeat for each role that requires updating.
Tip: Need to keep the old role 'name' for existing contacts? Then create a new role record instead, and make the existing role inactive. Next assign the new role to the contact records as required.