God commanded: "And you shall count for yourself from the morrow of the Shabbat... seven complete weeks... seven weeks you shall count... 50 days (Vayikra 23:15,16)."
If it says 'for yourself', then why does it say the Omer was brought by one person?
Was the Korban Omer offered every day of the seven weeks (at the time of the temple)? If it was only offered once, then why do we recite Sefirat HaOmer every day?