“It’s an honour,” you say, “to involve myself in your business” (6)
I believe the answer is:
meddle
'involve myself in your business' is the definition.
I can't judge whether this defines the answer.
'it's an honour you say' is the wordplay.
'it's an honour' becomes 'medal' (medal is a kind of honour).
'you say' shows a homophone (sound like).
'medal' sounds like 'MEDDLE'.
'to' is the link.
Can you help me to learn more?
(Other definitions for meddle that I've seen before include "Interfere, butt in" , "Interfere in someone else's business" , "Interfere or tamper" , "Interfere in other people's business" , "Stick one's oar in" .)