Excellent leader of people in workplace (4)

I believe the answer is:

boss

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

This clue could be a double definition.

'excellent' is the first definition.
(thesaurus)

'leader of people in workplace' is the second definition.
'boss' can be an answer for 'leader' (boss is a kind of leader). I'm unsure of the 'of people in workplace' bit.

Can you help me to learn more?

(Other definitions for boss that I've seen before include "Informal employer or superior" , "Gaffer, manager" , "27 [CHIEF]" , "Bully" , "Person in charge - raised knob" .)

I've seen this clue in The Telegraph.

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.