expert

As nouns the difference between sniper and expert

is that sniper is a person using long-range small arms for precise attacks from a concealed position while expert is (label) rate assessor.

As nouns the difference between high and expert

is that high is (obsolete) thought; intention; determination; purpose or high can be a period of euphoria, from excitement or from an intake of drugs while expert is (label) rate assessor.

As an adjective high

is elevated in position or status; above many things.

As an adverb high

is in or to an elevated position.

As a verb high

is (obsolete) to rise or high can be to hie; to hasten.

As nouns the difference between apex and expert

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

As nouns the difference between expert and paragon

is that expert is (label) rate assessor while paragon is a person of preeminent qualities, who acts as a pattern or model of some given (especially positive) quality.

As a verb paragon is

to compare; to parallel; to put in rivalry or emulation with.

As an adverb objectively

is in an impartial, objective manner.

As a noun expert is

(label) rate assessor.

As nouns the difference between expert and researcher

is that expert is (label) rate assessor while researcher is one who researches.