groveller:
(also groveler, bootlicker, sycophant; plural: ‘grovellers‘; pronunciation: the letter ‘g’ in this word rhymes with the letter ‘g’ in the word “garden” — for the right pronunciation, please click here & click here)

a groveller
a person who humbles him/herself before others to show respect;
a person who behaves as if he/she had no self-respect;
a person who tries too much to please someone else in order get favours or personal gain from that person,

a groveller being humble before his female boss
Mr Obama, the president of the States, is branded a ‘groveller’ just because he showed a little bit more than usual respect to the visiting dignitaries.
Though they are very rich farmers, the people in our village are so modest and humble that any visitor or stranger is given the impression that the entire village is of grovellers.
Those who show humble attitude are called grovellers and those who show excess self-esteem are despised as vain and proud.
We commonly see a number of grovellers and sycophants crowding around politicians and business magnates to get their work done by flattering and boot-licking.
