Millions of students and foreigners are learning English at this moment, and most all of them are looking for a conversation partner. Residents can spend some of their time having a short conversation with some of these students and providing a valuable service.
Alternatively, an arrangement can be made with local primary or secondary schools offering second languages classes in a resident's native language to have them appear over Zoom and talkj to the class for a few minutes.
This article by Matador Networks discusses the Brazilian service CNA which connects residents of care communities that speak English to Brazilian students learning the language.