A beginner; a person who is new to a subject, skill, or belief.
A plant species recently introduced to an area (in contrast to archaeophyte, a long-established introduced species).
A novice (recent convert); a new convert or proselyte; a new monk.
A name given by the early Christians, and still given by the Roman Catholics, to those who have recently embraced the Christian faith, and been admitted to baptism, especially those converts from heathenism or Judaism.
Someone who is an expert in, or devoted to, some specific branch of study or research.
A stenotopic species.
A physician whose practice is limited to a particular branch of medicine or surgery.
Any of several non-commissioned ranks corresponding to that of corporal.
An organism that is specialized for a particular environment.
Specialised, involving detailed knowledge of a restricted topic.