Jesus, Who is “the Christos = Messiah = Anointed”, is also God-with-us.
*]Messiah (& its translations) is a title
*]Immanuel is a **title **applied to Him as a description
*]Jesus is a personal name[/LIST]- so, the three words have different semantic functions - they are all used for & point to Him, & do so in different ways. “Jesus” was a not uncommon name; He is Jesus Christos, as distinguished from Jesus Justus in (IIRC) the Book of Acts.