Possible Clues:

• Excessively ingratiating, sergeant-major with host
• Occasionally, some soldiers are a bit creepy
• Fawning host supporting sadomasochism
• Unctuous sergeant major meeting host
• Oily sump regularly scrubbed by troops
• Sergeant major facing soldiers? One's unlikely to be this!
• Bootlicking Sergeant-Major leading his men?
• Excessively flattering (R, not L)
• Unctuous sergeant-major with soldiers
• Nauseatingly suave