The term 'obsequious sort' can be defined as someone who is overly eager to please or flatter others. This term can be broken down into two crossword solutions: 'FAWNER' (6 letters) and 'yesman' (6 letters). A FAWNER is someone who behaves in an excessively submissive or obsequious manner, often in order to gain favor. A yesman is someone who agrees with everything that is said, regardless of their own opinion, in order to please the person they are speaking with. Both of these terms describe someone who is overly eager to please others, and thus fit the definition of an obsequious sort.