Fisherman so far and to my knowledge there is no Nigeria Embassy in Qatar. Residents from that country depend on the services located in Saudi

Office : Embassy
City : Riyadh
Country : Saudi Arabia
Telephone : (+966-1) 4823024, 4823982, 4655411
Faximile : (+966-1) 4824134
Email : [email protected]
Website : www.nigeruanembassyriyadh.org

Contact them for detail or to see if they have agreement with another embassy here in Qatar so that they can help you.

Additional reading follow the link (recent newspaper article)

http://www.gulfinthemedia.com/index.php?m=politics&id=481917&lim=&lang=e...

Regards!!