Slave – A captive who is owned as property. A freed slave is second class. A slave’s children are also slaves.
Thrall – A captive who is indebted to the capturer. A freed Thrall is a freedman. Thralls can marry into the Clan and a Thralls children are born into the Clan.
Band – Small kinship group. Made up of couple hundred individuals at most.
Clan – Larger kinship group. Made up of many bands.
Tribe – Largest organizational group. Made up of many clans.