To change the name of the Affiliation Group navigate to:
  1. Navigate to Core
  2. Select Settings > Custom Labels & Text 
  3. Select the Custom Labels tab 
  4. Scroll down and under the Alumni Groups section. 
  5. User-added image
  6. In the Group Type Label add your new label (i.e. Alumni/Alumna) 
  7. Note: Changing this label will also change the label on Giving form
Note: You cannot add a Affiliation Type just change the Name of it.