Vipraha means BrAhmaNaha.
A person is born as a BrAhmaNa.
As the first born among the mortals, he is known as agrajanmA.
After Upanayana. he becomes a dvijaha.
As one learned in Vedas, he is known as a Srotriyaha.
As a deity upon earth, he is known as BhUdevaha.
As one who has emanated from the mukha of the Supreme, he is known as Mukhajaha.
A BrAhmaNa who is only by birth and not by performance of duties is known as BrAhmaNabruvaha.