Meanings of fellow alumnus in English

He's a fellow alumnus of yours; it doesn't seem as if he would be likely to show you an affront, does it?

Fellow alumnus Monte Lemann of Monroe & Lemann in New Orleans convinced him to raise money for Harvard Law School.

As soon as the invitation lands, your fellow alumni may be doing "due diligence" on social media, warns New England-based image consultant, Doreen Dove.