Milivoj

What we know

Young man at St. Andral's Church; tidying equipment when party arrived evening (Session 12 @ 00:20:17)
Fetched Dr. Rudolph van Richten from upstairs office (Session 12 @ 00:20:48)
Argued Bryce should ask party for help during Session 9 visit (Session 9 @ 00:37:53)
Bryce tutored a young boy in front pews at first meeting (Session 9 @ 00:28:49)
Night visit Session 15: closing church; Dr. Rudolph van Richten already left in rush (Session 15 @ 00:22:42)
Concerned Bryce increasingly worked up since Father Lucian Petrovich vanished last week (Session 15 @ 00:28:39)
Shared Festival of Blazing Sun vs Feast of Saint Andral clash on the 9th (Session 15 @ 00:30:46)
Tutors student Yeska; dismissed boy when party met Bryce privately (Session 15 @ 01:18:08)
Party told Bryce that Milivoj reported him scared—Bryce urged them stay indoors (Session 15 @ 01:44:21)
Morning 8th: Wachters upstairs; Bryce/Nightingale secured them after assassins (Session 17 @ 07:10)
Nightingale-as-Bryce tasked Milivoj to watch Wachters upstairs during crypt briefing (Session 17 @ 18:19)
Sildir asked Milivoj whether Bryce has secret crime-fighting life; Milivoj deflected (Session 17 @ 11:19)

St. Andral's Church during Session 12 evening visit (Session 12 @ 00:20:17).

Unconfirmed: whether Milivoj is the same boy Bryce tutored in Session 9 (Session 9 @ 00:28:49)