The most common and most likely answer to this crossword clue is the 5 letter word TUTOR
T
U
T
O
R
More clues leading to the result TUTOR
- Teacher to express disapproval otherwise
- I'm not impressed, getting over River Don
- Teacher initially trying to stop retreating rabble
- Express disapproval over Romeo teacher
- Private coach starts to travel using the orbital road
- Coach tour arranged around Turkey's capital
- Egyptian king or teacher
- Expression of impatience over heartless college teacher
- Teacher rejected elevating component of education? About time
- Express disapproval: our heartless teacher!
Buddy explains!

The straight part
We know that "Teacher" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case teacher = tutor.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TUTOR mean?
TUTOR noun- One who teaches another (usually called a student, learner, or tutee) in a one-on-one or small-group interaction.
- A university officer responsible for students in a particular hall.
- One who has the charge of a child or pupil and his estate; a guardian.
- (trading card games) A card that allows you to search your deck for one or more other cards.
- To instruct or teach, especially an individual or small group.
- To treat with authority or sternness.