You can find the members you have 'ignored' in your 'Ignore List'. To see the ignore list, follow these steps:
- Hover over your profile photo in the top right-hand corner.
- From the drop-down list select: 'settings'
- From the left-hand menu select: 'ignore list'
From here, you can add or edit members to your list, just type their username in the text box then click 'Add'.