extraordinary would be the word, but it acquired a meaning in english which is far from its latin origin; 'vanredni' is anything that occurs outside the regular order, including 'ambassador extraordinaire', and 'vanredni student' (part-time student), 'vanredni voz' (special one-time train), 'vanredno stanje' (extraordinary powers enabled because of a disaster or coup), 'vanredni izbori' (snap elections)

disorderly - almost there, 'vanredni' is opposite to regularly scheduled, except 'disorderly' describes conduct, not an occurrence outside of scheduled. Ditto for 'unorderly'.

out-of-order would be a good literal translation (out-of-row also), if it didn't mean 'malfunctioning'.

spot - as in 'spot check', when there's a regular one and then one can be made on the spot, beyond and above the regular one. Too bad that spot, even as an adjective, means dozen other things.

tutor - wrong, because its primary meaning is "private teacher", and this is not; a vaspitač may exist in any institution where students/attendees/inmates spend some or all the time, be it a kindergarten, daycare, dormitory or prison.

teacher - definitely not; a "vaspitač" is not in charge of any teaching, but manners and social skills and socialization per se.

counselor - is too general fo be of any use; a "vaspitač" is not consulted, the clients do go to him for counsel, he's in charge of a whole group's upbringing

news (singular)

window case - unusable, actually goes to the ambiguity page (what does it really mean?). Vitrina is a cabinet with (some of the) front side in glass.

china closet - nope, doesn't imply glass front at all

showcase - that's for show, like at an exhibition; vitrina is a piece of furniture

glass case - ambiguous and probably wrong; vitrina is not a case made of glass, it has only the front (sometimes partly curved to the sides) in glass, the rest is wood and veneer.