Step1: Navigate to the team whose membership requests you want to manage.
Step2: Once on the team, press Spacebar to open the context menu.
Step3: Press Control+Option+Down arrow key until you hear “Manage team,” and press Return.
Step4: Press the Right arrow key until you hear “Pending requests,” and press Return. The list of pending requests is displayed.
Step5: Press the Tab key until you hear: “Name, column header.”
Step6: Press Control+Option+Right arrow key until you hear the name of the person who’s requested membership.