an advocate, follower, or member of a social-reform liberation movement: a women's libber; a gay libber.
Origin of libber
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for libber
Historical Examples of libber
De Captain he nebber eat no breakfast; he say et ain't good fer his libber—yaw; yaw!Gordon Craig