Divulge Jack's role (6)

I believe the answer is:

impart

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

'divulge' is the definition.
(synonyms)

'jack's role' is the wordplay.
'jack's' becomes 'im' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'role' becomes 'part' (eg a part or role in a film).
'im'+'part'='IMPART'

Can you help me to learn more?

(Other definitions for impart that I've seen before include "Divulge about armpit" , "Divulge, inform" , "Share, pass on" , "Communicate (information)" , "Divulge, make known" .)

I've seen this clue in The Guardian.

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.