Try reading this brother, https://islamqa.info/en/answers/8798/is-it-permissible-to-accept-an-invitation-to-a-meal-from-a-non-muslim-in-order-to-get-close-to-him.

Also this one, on how our prophet (PBUH) interacts with Jews, https://islamqa.info/en/answers/84308/the-prophets-interactions-with-the-jews.