Xi'er means child. It is usually a nickname given by elders to younger ones, or a nickname used jokingly among peers. It has different meanings with different expressions. Translated into Mandarin, it means little kid, little girl movie, etc. In Huanggang saying, no matter what modifier is used in front of the word "伊儿", there is an element of doting in the words, and it is not derogatory.
Huanggang dialect is broad and profound, so LZ needs to understand it carefully.