There are several synonyms for the word "re-sider", which refers to someone who has decided to move back to a place where they have previously lived. Some alternative words include returnee, homecomer, repatriate, and resettler. These terms can be used interchangeably depending on the context and level of formality required. For instance, returnee or homecomer may be more suitable for casual conversation, while repatriate or resettler may be more appropriate when discussing international migration. Regardless of the specific word used, they all convey the same idea of someone coming back to a place they once called home.