1) Ad agency specialist 2) Adman 3) Catchword coiner 4) Coin new slogans 5) Every campaign needs one 6) Inventor of catchphrases 7) One whose work may be catchy 8) Pitcher, of a sort 9) Propagandist 10) Speaker of trite phrases 
[n] - someone who coins and uses slogans to promote a cause 2. [v] - coin new slogans
noun someone who coins and uses slogans to promote a cause