Ranter n. : A noisy talker; a raving declaimer.

Ranter n. : One of a religious sect which sprung up in 1645; -- called also Seekers. See Seeker.

Ranter n. : One of the Primitive Methodists, who seceded from the Wesleyan Methodists on the ground of their deficiency in fervor and zeal; -- so called in contempt.

Example:
What is the real purpose of a rant and what does this say about the Ranter?

Taxonomy
Ranters, Ranter, free encyclopedia, historians, personal God, Grace Abounding to the Chief of Sinners, J. C. Davis, myth, conservatives, search, English, established Church, central idea, creature, authority, the Church, to Jesus, belief.

Defination from the web:
Ranters were a radical English sect in the time of the Commonwealth (1649-1660), who were regarded as heretical by the established Church of that period. ... Many Ranters seem to have rejected a belief in immortality and in a personal God, and in many ways they resemble the ...