An
expert is an individual recognized as a reliable source of
knowledge or
skill in a particular field. An expert’s corresponding ability or
expertise is, mostly, based on his/her credential,
training,
education,
profession,
publication or
experience. Historically, an expert was referred to as a
wise old man. Such individual was usually a profound
intellectual distinguished for
wisdom and sound
judgment.
[1] In law, an expert
witness may contribute specialized knowledge of a field.
Someone who is not an expert may be called a beginner or a novice if they are new to that field.
Notes