An inspirational helper? (7)

I believe the answer is:

inhaler

I'm a little stuck... Click here to teach me more about this clue!

'an inspirational helper?' is the definition.
Although both the answer and definition are singular nouns, I don't see how one could define the other.

This is all the clue.

Can you help me to learn more?

(Other definitions for inhaler that I've seen before include "Uninhibited smoker" , "Asthmatic's aid" , "way of taking drugs" , "gas mask" , "Essential for an asthma sufferer" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.