Answer:
Paying compliments to people can make us popular among them.
Explanation:
In the given sentence, the error is in the word "complement". "It is supposed to be "compliment" which means praising someone or something. Rather, "complement" is used which means to add to, to make it complete, to enhance, etc.
Looking at the sentence and the intended meaning of it, we can assume that the word "complement" will be replaced by "compliment".
Thus, the correct sentence is
<u><em>Paying compliments to people can make us popular among them.</em></u>
