pro lifer
/ˌproʊˈlaɪfər/
noun
- A person who opposes abortion and advocates for the rights of unborn children.
- He identifies as a pro-lifer but believes in supporting mothers and children after birth.
- As a committed pro-lifer, she attends the annual march in Washington.
- The debate between a pro-lifer and a pro-choice activist was broadcast on the radio.