expert

As nouns the difference between expert and valuable

is that expert is (label) rate assessor while valuable is a personal possession such as jewellery, of relatively great monetary value; — usually used in plural form.

As an adjective valuable is

having a great value.

As nouns the difference between adapter and expert

is that adapter is adapter (device to allow compatibility) while expert is (label) rate assessor.

As nouns the difference between adaptor and expert

is that adaptor is while expert is (label) rate assessor.

As a verb profile

is .

As a noun expert is

(label) rate assessor.

In lang=en terms the difference between lecturer and expert

is that lecturer is a member of the Church of England clergy whose main task was to deliver sermons (lectures) in the afternoons and evenings while expert is a player ranking just below master.

As nouns the difference between lecturer and expert

is that lecturer is a person who gives lectures, especially as a profession while expert is a person with extensive knowledge or ability in a given subject.

As an adjective expert is

extraordinarily capable or knowledgeable.

As nouns the difference between practitioner and expert

is that practitioner is a person who practices a profession or art, especially law or medicine while expert is a person with extensive knowledge or ability in a given subject.

As an adjective expert is

extraordinarily capable or knowledgeable.

As nouns the difference between craftsman and expert

is that craftsman is a male artisan while expert is a person with extensive knowledge or ability in a given subject.

As adjectives the difference between craftsman and expert

is that craftsman is of an architectural style prominent in the United States in the early 20th century while expert is extraordinarily capable or knowledgeable.

As nouns the difference between entertainer and expert

is that entertainer is a person who entertains others, esp. as a profession, as a singer, dancer, musician, comedian, etc while expert is a person with extensive knowledge or ability in a given subject.

As an adjective expert is

extraordinarily capable or knowledgeable.

Genius is a synonym of expert.

As adjectives the difference between expert and genius

is that expert is extraordinarily capable or knowledgeable while genius is ingenious, very clever, or original.

As nouns the difference between expert and genius

is that expert is a person with extensive knowledge or ability in a given subject while genius is someone possessing extraordinary intelligence or skill; especially somebody who has demonstrated this by a creative or original work in science, music, art etc.

As nouns the difference between expert and nerd

is that expert is (label) rate assessor while nerd is nerd (a person, often very studious, with poor social skills).