We can get the idea of serve from the word servile and that is essentially the meaning of the word, though in a negative sense. It means, trying to please somebody by serving his and obeying his/her each and every command, often to get a favour in return.
Meaning of Servile:
1. slavishly submissive or obsequious;
2. being in slavery; oppressed.
3. Wanting too much to please somebody and obey them.
Pronunciation: sur-vil, -vahyl
Sentence Examples for Servile:
1. His servile attitude was one of the reason why he was disapproved by all of his classmates.