Hello Lilly! I thought it was about time to come say hello to you, too (since I seem to be on a comment spree)!
It seems that Terence and Astoria would know each other well! Or at least as well as anybody working in the same office would. She probably wouldn't be really all that bothered by his general not-nice-to-people-ness, so long as he isn't overtly rude or violent around her. She is a lady, after all! :]
Christian.. I'm not so sure about. (Which is a shame because Dr. Spock! /sigh) Maybe a few passing encounters, as... uh. I'm not really sure which department a ministry mechanic would work for.