Meaning of -EER in English

-EER

-eer /ɪə $ ɪr/ BrE AmE suffix [in nouns]

[ Language: Old French ; Origin: -ier , from Latin -arius ]

someone who does or makes a particular thing:

an auctioneer (=someone who runs auction sales)

a profiteer (=someone who makes unfair profits)

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.