Engage with somebody means, as others have said, to interact with that person, usually from a position of greater power (managers are frequently exhorted to engage with employees, but. Has someone seen my bag? Has anyone seen my bag?

Which one should i use at this place? Can you give some more examples? It is also used to make clear or emphasize that you performed the action and not someone else. I caught the fish myself means i did it, not someone else, and i had no or minimal help.