One politician has a skill to make known (6)
I believe the answer is:
impart
'make known' is the definition.
(synonyms)
'one politician has a skill' is the wordplay.
'one politician' becomes 'imp' (I've seen this in other clues).
'has' means one lot of letters go next to another.
'a skill' becomes 'art' (I've seen this before).
'imp'+'art'='IMPART'
'to' is the link.
(Other definitions for impart that I've seen before include "Pass on (knowledge, info)" , "Divulge about armpit" , "Divulge, pass on" , "Communicate, pass on" , "Reveal details" .)