come-outer

[ kuhm-ou-ter ]

/ ˌkʌmˈaʊ tər /

an outspoken or very active supporter of a cause, especially a reformer or a social activist.

Origin of come-outer

1830–40, Americanism; come out + -er¹

That Come-Outer foolishness is what really killed him, though just what brought on this attack I can't make out.

Keziah Coffin |Joseph C. Lincoln
The lichened eaves of the little "Come-Outer" chapel dripped at sedate intervals.

Keziah Coffin |Joseph C. Lincoln
The Come-Outer gatherings, with their noisy singing and shouting, had grown more and more repugnant to her.

Keziah Coffin |Joseph C. Lincoln
The old "Come-Outer" lay in the path with his arms outstretched, as if he had fallen while running.

Cap'n Eri |Joseph Crosby Lincoln

At the Come-Outer chapel the testifying and singing were in full blast.

Keziah Coffin |Joseph C. Lincoln