A master of a particular skill; an expert.
A person who repairs and maintains things; mechanic, repairer.
The African cereal plant Digitaria exilis.
An expert in a particular field, especially as called upon to provide comment or opinion in the media; a commentator, a critic.
A native surveyor in British India, trained to carry out clandestine surveillance beyond British borders.
A learned person in India; someone with knowledge of Sanskrit, philosophy, religion and law; a Hindu scholar.