Specialised, involving detailed knowledge of a restricted topic.
A stenotopic species.
A physician whose practice is limited to a particular branch of medicine or surgery.
Someone who is an expert in, or devoted to, some specific branch of study or research.
Any of several non-commissioned ranks corresponding to that of corporal.
An organism that is specialized for a particular environment.
One who has not been seen for a long time.
A person whom one does not know; a person who is neither a friend nor an acquaintance.
A newcomer.
An outsider or foreigner.
One not admitted to communion or fellowship.
One not privy or party to an act, contract, or title; a mere intruder or intermeddler; one who interferes without right.