The most common and most likely answer to this crossword clue is the 4 plus 5 letter word LOOK AFTER
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O
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K
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More clues leading to the result LOOK AFTER
- Appear comparatively stupid, without degree in mind
- Guard resembled Luxembourg’s new leader
- Guard to see later
- Peer’s father — sick but not hard to take care of
- Attractive woman hires a daily nurse
- nurse
- Nurse given approval, stern in new role
- A paper kept by dish for nurse
- Mind pillaging type that’s beset last character in park with a fellow
- Observer must keep back, mind
Buddy explains!

The straight part
We know that "nurse" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case nurse = look after.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.