The word Viking means ‘to raid’ in Old Norse.
Vikings were farmers by trade, however they are best known for sailing across the sea and raiding and looting other countries. They also created settlements in these countries such as Finland, Germany, Britain and Scotland. They even made it to North America (Canada), but only briefly settled there.
Viking's wore simple clothing. This had to be warm to get them through the harsh winters
Slaves were often people taken prisoner during Viking raids.
Only the wealthy could afford a complete set of weapons.
These were known as Longships or Dragonships.
For a full article listing check out: Viking Compendium