1) Hindoo 2) Hindu 3) Hindu of the lowest caste 4) Hindustani 5) Sudra 1) Sudra 
Shudra is the fourth varna, whose mythological origins are described in the Purusha Sukta of the Rig veda, one of the sacred texts of Hinduism, and later explained in the Manusmṛti. This latter text defines society as comprising four groups, sometimes also called chaturvarna, of which the other three are Brahmins (priests), Kshatriya (those with...
[n] - a member of the lowest or worker Hindu caste 2. [n] - the lowest of the four main Hindu castes: the worker caste
the fourth varna; a member of that varna, an artisan or labourer.
Sudra noun a member of the lowest or worker Hindu caste