[user104658]

Originally Posted by LeatherTrumpet

ex-muslim friends you say

I'd assume she means people from Muslim families / backgrounds who are not actually actively religious themselves. There were two Muslim kids at my high school (yes, only two, my school was so white-Scottish that Catholics were rare ) but neither of them were "actually Muslims", both were atheist.

I suppose in the same way I could be called "ex-Christian"