Damien Robinson represented the Mississippi State football team pretty well during his time in Starkville. The Olive Branch native played in 49 games during his time on MSU’s football team. He never quite made a splash on the field, but most members of the offensive line never really do.
Their job is typically to protect quarterbacks and create space in open field for running backs. They’ll do a couple of other things here and there, but that’s a fairly simple generalization of their job.
Sure, it’s more complicated than that, but you get the gist of it.