Brahmin

(priests)

twice born (capable of achieving Nirvana in any given lifetime)

mouth

study, teach, perform sacrificial rituals to maintain order in the universe, receive donations

knowledge of ritual, magical power

progeny, sex, food

yes

Ksatriya

(warriors, rulers)

twice born(capable of achieving Nirvana in any given lifetime)

arms

protect people, maintain order in society, give gifts to priests, study, abstain from personal benefit

power and influence

progeny, sex, food

yes

Vaisya

(traders, producers, craftsmen, farmers, herders)

twice born(capable of achieving Nirvana in any given lifetime)

legs

tend cattle, cultivate land, trade, lend money, give gifts to priests, study, raise family

money and property

progeny, sex, food, wealth

yes

Sudra

(servants)

once born (incapable of achieving Nirvana in that particular lifetime)

feet

serve other castes in humble and obedient fashion

progeny, sex, food, wealth

(outcastes)

iccantika

(Hopeless Case)