is staying as a guest, is visiting
Том гостит у своих родственников в Бостоне следующие три недели.
Tom is staying with his relatives in Boston for the next three weeks.
Она гостит у бабушки.
She is staying at her grandmother's.
У твоего отца еще кто-то гостит?
Does your father have anyone else visiting?
— Сладкая жизнь (1960)
Том гостит у нас каждое лето.
Tom visits us every summer.